diff --git a/packages/@ember/-internals/glimmer/lib/component-managers/curly.ts b/packages/@ember/-internals/glimmer/lib/component-managers/curly.ts
index a79357c7a1a..1d5859fcac5 100644
--- a/packages/@ember/-internals/glimmer/lib/component-managers/curly.ts
+++ b/packages/@ember/-internals/glimmer/lib/component-managers/curly.ts
@@ -323,9 +323,7 @@ export default class CurlyComponentManager
           addObserver(
             component,
             keyName,
-            () => {
-              component[PROPERTY_DID_CHANGE](keyName);
-            },
+            component[PROPERTY_DID_CHANGE].bind(component, keyName),
             undefined,
             true
           );