diff --git a/core/field_image.js b/core/field_image.js
index a2627eee5..999a61c29 100644
--- a/core/field_image.js
+++ b/core/field_image.js
@@ -135,7 +135,7 @@ Blockly.FieldImage.prototype.maybeAddClickHandler_ = function() {
   if (this.clickHandler_) {
     this.mouseDownWrapper_ =
         Blockly.bindEventWithChecks_(
-            this.fieldGroup_, 'mousedown', this, this.onMouseDown_);
+            this.fieldGroup_, 'mousedown', this, this.clickHandler_);
   }
 };