diff --git a/UI/WebServerResources/ContactsUI.js b/UI/WebServerResources/ContactsUI.js
index 5da389bf9..240aecad8 100644
--- a/UI/WebServerResources/ContactsUI.js
+++ b/UI/WebServerResources/ContactsUI.js
@@ -1522,10 +1522,10 @@ function currentFolderIsRemote () {
 
 function startDragging (itm, e) {
     if (!Event.isLeftClick(e))
-        return false;
+        return;
     var target = Event.element(e);
     if (target.up().up().tagName != "TBODY")
-        return false;
+        return;
 
     $("contactsListContent").setStyle({ overflow: "visible" });
     var handle = $("dragDropVisual");
diff --git a/UI/WebServerResources/MailerUI.js b/UI/WebServerResources/MailerUI.js
index dbe9147fd..47c6ff8fe 100644
--- a/UI/WebServerResources/MailerUI.js
+++ b/UI/WebServerResources/MailerUI.js
@@ -2956,10 +2956,10 @@ function configureDroppables() {
 
 function startDragging (itm, e) {
     if (!Event.isLeftClick(e))
-        return false;
+        return;
     var target = Event.element(e);
     if (target.up('TBODY') == undefined)
-        return false;
+        return;
 
     $("mailboxList").setStyle({ overflow: "visible" });