diff --git a/src/core/types/config/Backend.ts b/src/core/types/config/Backend.ts
index 1ff9fd15..0efd305d 100644
--- a/src/core/types/config/Backend.ts
+++ b/src/core/types/config/Backend.ts
@@ -30,6 +30,11 @@ export interface SCBackendConfiguration {
    */
   hiddenTypes: SCThingType[];
 
+  /**
+   * Maximum number of queries, that can be used in MultiSearchRoute
+   */
+  maxMultiSearchRouteQueries: number;
+
   /**
    * Name of university
    */