diff --git a/lib/ace/autocomplete.js b/lib/ace/autocomplete.js
index 50154c01..d4491f6f 100644
--- a/lib/ace/autocomplete.js
+++ b/lib/ace/autocomplete.js
@@ -71,6 +71,7 @@ var Autocomplete = function() {
         var renderer = editor.renderer;
         if (!keepPopupPosition) {
             this.popup.setRow(0);
+            this.popup.setTheme(editor.getTheme());
             this.popup.setFontSize(editor.getFontSize());
 
             var lineHeight = renderer.layerConfig.lineHeight;