diff --git a/src/Models/MailTemplate.php b/src/Models/MailTemplate.php
index 98c538e20..0e05fcde1 100644
--- a/src/Models/MailTemplate.php
+++ b/src/Models/MailTemplate.php
@@ -17,7 +17,7 @@ class MailTemplate extends Model
         $dbo = $database = database();
 
         // Lettura delle variabili del modulo collegato
-        $variables = include $this->module()->filepath('variables.php');
+        $variables = include $this->module->filepath('variables.php');
 
         return (array) $variables;
     }
diff --git a/src/Models/Plugin.php b/src/Models/Plugin.php
index 04fd81aae..5ed1aef55 100644
--- a/src/Models/Plugin.php
+++ b/src/Models/Plugin.php
@@ -42,7 +42,7 @@ class Plugin extends Model
      */
     public function getPermissionAttribute()
     {
-        return $this->originalModule()->permission;
+        return $this->originalModule->permission;
     }
 
     public function getOptionAttribute()
@@ -63,7 +63,7 @@ class Plugin extends Model
             return;
         }
 
-        $directory = 'modules/'.$this->originalModule()->directory.'|custom|/plugins';
+        $directory = 'modules/'.$this->originalModule->directory.'|custom|/plugins';
 
         return App::filepath($directory, $this->script);
     }
diff --git a/src/Models/PrintTemplate.php b/src/Models/PrintTemplate.php
index 8508993db..6d1de8646 100644
--- a/src/Models/PrintTemplate.php
+++ b/src/Models/PrintTemplate.php
@@ -26,6 +26,6 @@ class PrintTemplate extends Model
 
     public function module()
     {
-        return $this->belongsTo(Module::class, 'id_module')->first();
+        return $this->belongsTo(Module::class, 'id_module');
     }
 }