diff --git a/lib/ace/ext/language_tools.js b/lib/ace/ext/language_tools.js
index 1933b4ff..83cfe2be 100644
--- a/lib/ace/ext/language_tools.js
+++ b/lib/ace/ext/language_tools.js
@@ -175,6 +175,7 @@ require("../config").defineOptions(Editor.prototype, "editor", {
         set: function(val) {
             if (val) {
                 // On each change automatically trigger the autocomplete
+                this.completers = completers;
                 this.commands.on('afterExec', doLiveAutocomplete);
             } else {
                 this.commands.removeListener('afterExec', doLiveAutocomplete);