diff --git a/Packages/ohif-lesiontracker/client/tools.js b/Packages/ohif-lesiontracker/client/tools.js
index 1c0231e13..a223885de 100644
--- a/Packages/ohif-lesiontracker/client/tools.js
+++ b/Packages/ohif-lesiontracker/client/tools.js
@@ -37,6 +37,7 @@ Meteor.startup(function() {
     // Update default state for tools making sure each tool is only inserted once
     let currentDefaultStates = toolManager.getToolDefaultStates();
     let newDefaultStates = {
+        enable: [ 'scaleOverlayTool' ],
         deactivate: ['bidirectional', 'nonTarget', 'length', 'targetCR', 'targetUN', 'targetEX'],
         activate: [] // 'deleteLesionKeyboardTool'
     };