diff --git a/modules/movimenti/add.php b/modules/movimenti/add.php
index daa9e95c9..43cf82aa0 100755
--- a/modules/movimenti/add.php
+++ b/modules/movimenti/add.php
@@ -279,15 +279,15 @@ echo '
                 break;
                 case "f8": 
                     event.preventDefault();
-                    input("causale").set("1");
+                    input("causale").set("1").trigger("change");
                 break;
                 case "f9": 
                     event.preventDefault();
-                    input("causale").set("2");
+                    input("causale").set("2").trigger("change");
                 break;
                 case "f10": 
                     event.preventDefault();
-                    input("causale").set("3");
+                    input("causale").set("3").trigger("change");
                 break;
                 default: alert(event);
             }