diff --git a/src/Umbraco.Web.UI.Client/libs/observable-api/deep-state.ts b/src/Umbraco.Web.UI.Client/libs/observable-api/deep-state.ts
index e3235b221c..03f2097033 100644
--- a/src/Umbraco.Web.UI.Client/libs/observable-api/deep-state.ts
+++ b/src/Umbraco.Web.UI.Client/libs/observable-api/deep-state.ts
@@ -3,7 +3,7 @@ import { BehaviorSubject } from "rxjs";
 
 // TODO: Should this handle array as well?
 function deepFreeze<T>(inObj: T): T {
-	if(inObj && typeof inObj === 'object') {
+	if(inObj != null && typeof inObj === 'object') {
 		Object.freeze(inObj);
 
 		Object.getOwnPropertyNames(inObj)?.forEach(function (prop) {