diff --git a/assets/src/css/style.css b/assets/src/css/style.css
index 0bd1cfd64..5aa5788e9 100755
--- a/assets/src/css/style.css
+++ b/assets/src/css/style.css
@@ -1026,6 +1026,11 @@ table.dataTable {
     margin-top: 4px;
 }
 
+.select2-container--bootstrap4 .select2-selection__clear {
+    padding-left: 0.21em;
+    padding-top: 0.05em;
+}
+
 .btn-group>.btn-xs>input[type="checkbox"], .label>input[type="checkbox"] {
     margin: 2px 0px;
 }
diff --git a/gulpfile.js b/gulpfile.js
index 3e34c4c02..e625787a1 100755
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -84,6 +84,7 @@ const JS = gulp.parallel(() => {
         'autosize/dist/autosize.js',
         'autocompleter/autocomplete.js',
         'html5sortable/dist/html5sortable.js',
+        'popper.js/dist/umd/popper.js',
         'bootstrap-colorpicker/dist/js/bootstrap-colorpicker.js',
         'moment/moment.js',
         'components-jqueryui/jquery-ui.js',
@@ -124,7 +125,6 @@ const JS = gulp.parallel(() => {
         'leaflet-gesture-handling/dist/leaflet-gesture-handling.min.js',
         'ismobilejs/dist/isMobile.min.js',
         'ua-parser-js/dist/ua-parser.min.js',
-        'popper.js/dist/umd/popper.js',
     ];
 
     for (const i in vendor) {
diff --git a/modules/contratti/edit.php b/modules/contratti/edit.php
index cda0a772f..4e3fa3679 100755
--- a/modules/contratti/edit.php
+++ b/modules/contratti/edit.php
@@ -366,7 +366,7 @@ if (!$block_edit) {
                     </a>
                     
                     <div class="btn-group tip" data-card-widget="tooltip">
-                        <button type="button" class="btn btn-primary dropdown-toggle" data-card-widget="dropdown" aria-haspopup="true" aria-expanded="true">
+                        <button type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
                             <i class="fa fa-list"></i> '.tr('Altro').'
                             <span class="caret"></span>
                         </button>
diff --git a/modules/dashboard/edit.php b/modules/dashboard/edit.php
index ec35a72be..e405dd2d1 100755
--- a/modules/dashboard/edit.php
+++ b/modules/dashboard/edit.php
@@ -91,7 +91,7 @@ echo '
 <div class="row">
 	<!-- STATI INTERVENTO -->
 	<div class="dropdown col-md-3" id="dashboard_stati">
-		<button type="button" class="btn btn-block counter_object" data-card-widget="dropdown">
+		<button type="button" class="btn btn-block counter_object" data-toggle="dropdown">
             <i class="fa fa-filter"></i> '.tr('Stati attività').'
             (<span class="selected_counter"></span>/<span class="total_counter"></span>) <i class="caret"></i>
         </button>
@@ -128,7 +128,7 @@ echo '
 
 	<!-- TIPI INTERVENTO -->
 	<div class="dropdown col-md-3" id="dashboard_tipi">
-		<button type="button" class="btn btn-block counter_object" data-card-widget="dropdown">
+		<button type="button" class="btn btn-block counter_object" data-toggle="dropdown">
             <i class="fa fa-filter"></i> '.tr('Tipi attività').'
             (<span class="selected_counter"></span>/<span class="total_counter"></span>) <i class="caret"></i>
         </button>
@@ -165,7 +165,7 @@ echo '
 
 	<!-- TECNICI -->
 	<div class="dropdown col-md-3" id="dashboard_tecnici">
-		<button type="button" class="btn btn-block counter_object" data-card-widget="dropdown">
+		<button type="button" class="btn btn-block counter_object" data-toggle="dropdown">
             <i class="fa fa-filter"></i> '.tr('Tecnici').'
             (<span class="selected_counter"></span>/<span class="total_counter"></span>) <i class="caret"></i>
         </button>
@@ -201,7 +201,7 @@ echo '
 
 	<!-- ZONE -->
 	<div class="dropdown col-md-3" id="dashboard_zone">
-		<button type="button" class="btn btn-block counter_object" data-card-widget="dropdown">
+		<button type="button" class="btn btn-block counter_object" data-toggle="dropdown">
             <i class="fa fa-filter"></i> '.tr('Zone').'
             (<span class="selected_counter"></span>/<span class="total_counter"></span>) <i class="caret"></i>
         </button>
diff --git a/modules/ddt/edit.php b/modules/ddt/edit.php
index 02d30060e..7bd61a98d 100755
--- a/modules/ddt/edit.php
+++ b/modules/ddt/edit.php
@@ -590,7 +590,7 @@ if (!$block_edit) {
                     </a>
                     
                     <div class="btn-group tip" data-card-widget="tooltip">
-                        <button type="button" class="btn btn-primary dropdown-toggle" data-card-widget="dropdown" aria-haspopup="true" aria-expanded="true">
+                        <button type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
                             <i class="fa fa-list"></i> '.tr('Altro').'
                             <span class="caret"></span>
                         </button>
diff --git a/modules/fatture/edit.php b/modules/fatture/edit.php
index 352fa5655..28b334c8a 100755
--- a/modules/fatture/edit.php
+++ b/modules/fatture/edit.php
@@ -899,7 +899,7 @@ if (!$block_edit) {
                             </a>
                             
                             <div class="btn-group tip" data-card-widget="tooltip">
-                                <button type="button" class="btn btn-primary dropdown-toggle" data-card-widget="dropdown" aria-haspopup="true" aria-expanded="true">
+                                <button type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
                                     <i class="fa fa-list"></i> '.tr('Altro').'
                                     <span class="caret"></span>
                                 </button>
diff --git a/modules/interventi/edit.php b/modules/interventi/edit.php
index 29749c8b9..7a741db1a 100755
--- a/modules/interventi/edit.php
+++ b/modules/interventi/edit.php
@@ -70,7 +70,7 @@ echo '
                 <div class="card-header with-border">
                     <h3 class="card-title">'.tr('Dati cliente').'</h3>
                     <div class="card-tools pull-right">
-                        <button type="button" class="btn btn-card-tool" data-card-widget="collapse">
+                        <button type="button" class="btn btn-xs btn-card-tool" data-card-widget="collapse">
                             <i class="fa fa-'.(empty($espandi_dettagli) ? 'plus' : 'minus').'"></i>
                         </button>
                     </div>
@@ -492,7 +492,7 @@ if (!$block_edit) {
                             </a>
 
                             <div class="btn-group tip" data-card-widget="tooltip">
-                                <button type="button" class="btn btn-primary dropdown-toggle" data-card-widget="dropdown" aria-haspopup="true" aria-expanded="true">
+                                <button type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
                                     <i class="fa fa-list"></i> '.tr('Altro').'
                                     <span class="caret"></span>
                                 </button>
diff --git a/modules/ordini/edit.php b/modules/ordini/edit.php
index 594cfd6ec..5d260fade 100755
--- a/modules/ordini/edit.php
+++ b/modules/ordini/edit.php
@@ -282,7 +282,7 @@ if (!$block_edit) {
                     </a>
 
                     <div class="btn-group tip" data-card-widget="tooltip">
-                        <button type="button" class="btn btn-primary dropdown-toggle" data-card-widget="dropdown" aria-haspopup="true" aria-expanded="true">
+                        <button type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
                             <i class="fa fa-list"></i> '.tr('Altro').'
                             <span class="caret"></span>
                         </button>
diff --git a/modules/preventivi/edit.php b/modules/preventivi/edit.php
index 82464cf11..c61994b61 100755
--- a/modules/preventivi/edit.php
+++ b/modules/preventivi/edit.php
@@ -276,7 +276,7 @@ if (!$block_edit) {
                     </a>
 
                     <div class="btn-group tip" data-card-widget="tooltip">
-                        <button type="button" class="btn btn-primary dropdown-toggle" data-card-widget="dropdown" aria-haspopup="true" aria-expanded="true">
+                        <button type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
                             <i class="fa fa-list"></i> '.tr('Altro').'
                             <span class="caret"></span>
                         </button>
diff --git a/modules/primanota/edit.php b/modules/primanota/edit.php
index c0bcd27c6..9b1700ae4 100755
--- a/modules/primanota/edit.php
+++ b/modules/primanota/edit.php
@@ -42,7 +42,7 @@ if (sizeof($rs_doc) > 0) {
                 <br>
                 <div class="btn-group">
                     <a href="<?php echo base_path(); ?>/editor.php?id_module=<?php echo (new Module())->getByField('title', 'Preventivi', Models\Locale::getPredefined()->id); ?>&id_record=<?php echo $rs_doc[0]['iddocumento']; ?>" class="btn btn-info"><i class="fa fa-chevron-left"></i> <?php echo tr('Vai alla fattura'); ?></a>
-                    <a type="button" class="btn btn-info dropdown-toggle" data-card-widget="dropdown" aria-haspopup="true" aria-expanded="false">
+                    <a type="button" class="btn btn-info dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                         <span class="caret"></span>
                         <span class="sr-only">Toggle Dropdown</span>
                     </a>
@@ -57,7 +57,7 @@ if (sizeof($rs_doc) > 0) {
             <div class="col-md-2">
                 <br>
                 <div class="btn-group">
-                    <button type="button" class="btn btn-info dropdown-toggle" data-card-widget="dropdown" aria-haspopup="true" aria-expanded="false">
+                    <button type="button" class="btn btn-info dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                         <?php echo tr('Più fatture collegate'); ?>... <span class="caret"></span>
                         <span class="sr-only">Toggle Dropdown</span>
                     </button>
diff --git a/src/HTMLBuilder/Manager/ButtonManager.php b/src/HTMLBuilder/Manager/ButtonManager.php
index 1ae31e4bc..d19811e7e 100755
--- a/src/HTMLBuilder/Manager/ButtonManager.php
+++ b/src/HTMLBuilder/Manager/ButtonManager.php
@@ -164,8 +164,8 @@ class ButtonManager implements ManagerInterface
             }
 
             $result .= '
-    <button type="button" class="btn '.$options['class'].' dropdown-toggle" data-widget="dropdown" aria-haspopup="true" aria-expanded="false">
-        '.($predefined === false ? $this->defaultText($options).' ' : '').'<span class="caret"></span>
+    <button type="button" class="btn '.$options['class'].' dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
+        '.($predefined === false ? $this->defaultText($options).' ' : '').'
         <span class="sr-only">Toggle Dropdown</span>
     </button>
     <div class="dropdown-menu dropdown-menu-right">';