diff --git a/src/index.js b/src/index.js
index 7a240f0..10b47c1 100644
--- a/src/index.js
+++ b/src/index.js
@@ -371,7 +371,7 @@ export default class Physar {
     this.worldConstraints.push({
       id,
       constraint,
-      isActive = true
+      isActive: true
     })
 
     return id