diff --git a/src/config/feature.ts b/src/config/feature.ts
index 464acd5f..d4f074f3 100644
--- a/src/config/feature.ts
+++ b/src/config/feature.ts
@@ -13,18 +13,19 @@
  * this program. If not, see <https://www.gnu.org/licenses/>.
  */
 
+import {SCMap} from '../general/map';
 import {SCAuthorizationProviderType} from './authorization';
 
 export interface SCFeatureConfiguration {
   /**
    * Map of extern services mapped by their name (statically)
    */
-  extern?: Map<string, SCFeatureConfigurationExtern>;
+  extern?: SCMap<SCFeatureConfigurationExtern>;
 
   /**
    * Map of plugins registered with the backend mapped by their name.
    */
-  plugins?: Map<string, SCFeatureConfigurationPlugin>;
+  plugins?: SCMap<SCFeatureConfigurationPlugin>;
 }