diff --git a/lib/ace/autocomplete/popup.js b/lib/ace/autocomplete/popup.js
index ff93a8c5..2475d6a5 100644
--- a/lib/ace/autocomplete/popup.js
+++ b/lib/ace/autocomplete/popup.js
@@ -248,8 +248,8 @@ dom.importCssString("\
     z-index: -1;\
 }\
 .ace_autocomplete .ace_completion-highlight{\
-    font-weight: bold;\
-    color: #000\
+    color: #000;\
+    text-shadow: 0 0 0.01px;\
 }\
 .ace_autocomplete {\
     width: 280px;\