diff --git a/src/extensionsIntegrated/CSSColorPreview/main.js b/src/extensionsIntegrated/CSSColorPreview/main.js
index 1ac6a499c3..e5b03b5c5e 100644
--- a/src/extensionsIntegrated/CSSColorPreview/main.js
+++ b/src/extensionsIntegrated/CSSColorPreview/main.js
@@ -248,6 +248,8 @@ define(function (require, exports, module) {
         if (activeEditor) {
             activeEditor.off("change", onChanged);
             activeEditor.on("change", onChanged);
+            activeEditor.off("cursorActivity.colorPreview");
+            activeEditor.on("cursorActivity.colorPreview", _cursorActivity);
             showColorMarks();
             _cursorActivity(null, activeEditor);
         }