diff --git a/src/lib/services/base-user-preference.service.ts b/src/lib/services/base-user-preference.service.ts
index 41dc97f..00c0750 100644
--- a/src/lib/services/base-user-preference.service.ts
+++ b/src/lib/services/base-user-preference.service.ts
@@ -56,12 +56,12 @@ export abstract class BaseUserPreferenceService extends GenericService<UserAttri
         return this._put(body, `${this._defaultModelPath}/${key}`);
     }
 
-    private async _save(key: string, value: string): Promise<void> {
+    protected async _save(key: string, value: string): Promise<void> {
         this.userAttributes[key] = [value];
         await firstValueFrom(this.savePreferences([value], key));
     }
 
-    private _getAttribute(key: string, defaultValue = ''): string {
+    protected _getAttribute(key: string, defaultValue = ''): string {
         if (this.userAttributes[key]?.length > 0) {
             return this.userAttributes[key][0];
         }
diff --git a/src/lib/utils/tokens.ts b/src/lib/utils/tokens.ts
index dfe414c..0943d7f 100644
--- a/src/lib/utils/tokens.ts
+++ b/src/lib/utils/tokens.ts
@@ -19,16 +19,15 @@ export const BASE_HREF = new InjectionToken<string>('BASE_HREF', {
 export type BaseHrefFn = (path: string) => string;
 
 export const BASE_HREF_FN = new InjectionToken<BaseHrefFn>('Convert path function', {
-    factory: () => (path: string) => {
+    factory: () => {
         const baseUrl = inject(BASE_HREF);
-        if (!baseUrl) {
-            throw new Error('BASE_HREF is not defined');
-        }
 
-        if (path[0] === '/') {
-            return baseUrl + path;
-        }
+        return (path: string) => {
+            if (path[0] === '/') {
+                return baseUrl + path;
+            }
 
-        return baseUrl + '/' + path;
+            return baseUrl + '/' + path;
+        };
     },
 });