diff --git a/module/execution/js/kanban.js b/module/execution/js/kanban.js
index 495e1ab5be..6961d3e522 100644
--- a/module/execution/js/kanban.js
+++ b/module/execution/js/kanban.js
@@ -299,6 +299,7 @@ function findDropColumns($element, $root)
     {
         if(!colRules) return false;
         if(colRules === true) return true;
+        if($.cookie('isFullScreen') == 1) return false;
 
         var $newCol = $(this);
         var newCol = $newCol.data();
diff --git a/module/execution/js/taskkanban.js b/module/execution/js/taskkanban.js
index 5a019e2c52..84f1fbfb03 100644
--- a/module/execution/js/taskkanban.js
+++ b/module/execution/js/taskkanban.js
@@ -499,6 +499,7 @@ function findDropColumns($element, $root)
     {
         if(!colRules) return false;
         if(colRules === true) return true;
+        if($.cookie('isFullScreen') == 1) return false;
 
         var $newCol = $(this);
         var newCol = $newCol.data();