diff --git a/lib/ace/autocomplete.js b/lib/ace/autocomplete.js
index 822e56fb..c4fd7060 100644
--- a/lib/ace/autocomplete.js
+++ b/lib/ace/autocomplete.js
@@ -69,6 +69,7 @@ var Autocomplete = function() {
 
         var renderer = editor.renderer;
         if (!keepPopupPosition) {
+            this.popup.setRow(0);
             this.popup.setFontSize(editor.getFontSize());
 
             var lineHeight = renderer.layerConfig.lineHeight;