diff --git a/package.json b/package.json
index d1cb56a98..1300dac91 100755
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
         "dropzone": "^5.7.2",
         "eonasdan-bootstrap-datetimepicker": "^4.17.47",
         "font-awesome": "^4.7.0",
-        "fullcalendar": "^3.4.0",
+        "fullcalendar": "^3.10.4",
         "geocomplete": "^1.7.0",
         "hotkeys-js": "^3.8.5",
         "html5sortable": "^0.13.2",
diff --git a/templates/fatture/header.php b/templates/fatture/header.php
index a8614ccca..f47c4a588 100755
--- a/templates/fatture/header.php
+++ b/templates/fatture/header.php
@@ -17,7 +17,7 @@
  * along with this program. If not, see <https://www.gnu.org/licenses/>.
  */
 
-if ($options['hide_header']) {
+if ($options['hide-header']) {
     echo '
 	<!-- Intestazione vuota fornitore -->
 	<div class="row" style="height:111px;">