diff --git a/apps/common/main/lib/component/ComboBoxFonts.js b/apps/common/main/lib/component/ComboBoxFonts.js
index d2e7b88ee..cc01c5a83 100644
--- a/apps/common/main/lib/component/ComboBoxFonts.js
+++ b/apps/common/main/lib/component/ComboBoxFonts.js
@@ -383,6 +383,10 @@ define([
             },
 
             onBeforeShowMenu: function(e) {
+                if (this.store.length<1) {
+                    e.preventDefault();
+                    return;
+                }
                 Common.UI.ComboBox.prototype.onBeforeShowMenu.apply(this, arguments);
 
                 if (!this.getSelectedRecord() && !!this.getRawValue()) {