diff --git a/src/lib/services/iqser-user-preference.service.ts b/src/lib/services/iqser-user-preference.service.ts
index 8aa443a..a841b8a 100644
--- a/src/lib/services/iqser-user-preference.service.ts
+++ b/src/lib/services/iqser-user-preference.service.ts
@@ -23,7 +23,7 @@ export abstract class IqserUserPreferenceService extends GenericService<UserAttr
 
     get isIqserDevMode(): boolean {
         const value = sessionStorage.getItem(this._devFeaturesEnabledKey);
-        return value === 'true' ?? false;
+        return value === 'true';
     }
 
     getTheme(): string {