diff --git a/apps/spreadsheeteditor/main/app/controller/DocumentHolder.js b/apps/spreadsheeteditor/main/app/controller/DocumentHolder.js
index b21eb4cb2..d36543936 100644
--- a/apps/spreadsheeteditor/main/app/controller/DocumentHolder.js
+++ b/apps/spreadsheeteditor/main/app/controller/DocumentHolder.js
@@ -2031,7 +2031,7 @@ define([
         },
 
         onFormulaCompleteMenu: function(funcarr) {
-            if (!this.documentHolder.funcMenu) return;
+            if (!this.documentHolder.funcMenu || Common.Utils.ModalWindow.isVisible()) return;
 
             if (funcarr) {
                 var me                  = this,