diff --git a/src/containers/blocks.jsx b/src/containers/blocks.jsx
index 4507240e80a..2d55d4c1373 100644
--- a/src/containers/blocks.jsx
+++ b/src/containers/blocks.jsx
@@ -95,7 +95,7 @@ class Blocks extends React.Component {
         this.ScratchBlocks.statusButtonCallback = this.handleConnectionModalStart;
         this.ScratchBlocks.recordSoundCallback = this.handleOpenSoundRecorder;
 
-        // this.ScratchBlocks.FieldColourSlider.activateEyedropper_ = this.props.onActivateColorPicker;
+        this.ScratchBlocks.FieldColourSlider.activateEyedropper_ = this.props.onActivateColorPicker;
         this.ScratchBlocks.ScratchProcedures.externalProcedureDefCallback = this.props.onActivateCustomProcedures;
         this.ScratchBlocks.ScratchMsgs.setLocale(this.props.locale);