diff --git a/ExpressAPI/src/middlewares/SecurityMiddleware.ts b/ExpressAPI/src/middlewares/SecurityMiddleware.ts
index ccec6fa9dcbbaf59ab7057be4927eec51d1e9039..b08aed0de0edbeb3145413a1cf037f367b10eedc 100644
--- a/ExpressAPI/src/middlewares/SecurityMiddleware.ts
+++ b/ExpressAPI/src/middlewares/SecurityMiddleware.ts
@@ -37,7 +37,7 @@ class SecurityMiddleware {
                 return req.session.sendResponse(res, StatusCodes.UNAUTHORIZED);
             }
 
-            const isAllowed: boolean = checkTypes.length === 0 ? true : checkTypes.find(async (checkType) => this.checkType(checkType, req)) !== undefined;
+            const isAllowed: boolean = checkTypes.length === 0 ? true : checkTypes.find(async checkType => this.checkType(checkType, req)) !== undefined;
 
             if ( !isAllowed ) {
                 return req.session.sendResponse(res, StatusCodes.FORBIDDEN);
diff --git a/ExpressAPI/src/routes/AssignmentRoutes.ts b/ExpressAPI/src/routes/AssignmentRoutes.ts
index f3af21116e817d9cf3fa8b41da15294e11e82eff..a9ab26073bb5410f73ebc585ce2cc06ebee476fc 100644
--- a/ExpressAPI/src/routes/AssignmentRoutes.ts
+++ b/ExpressAPI/src/routes/AssignmentRoutes.ts
@@ -219,7 +219,7 @@ class AssignmentRoutes implements RoutesManager {
             const lastCommit = await GitlabManager.getRepositoryLastCommit(req.boundParams.exercise!.gitlabId);
             if ( lastCommit ) {
                 if ( !isUpdate ) {
-                    await GitlabManager.changeRepositoryVisibility(req.boundParams.exercise!.gitlabId, GitlabVisibility.INTERNAL);
+                    await GitlabManager.changeRepositoryVisibility(req.boundParams.exercise!.gitlabId, 'internal');
                 }
 
                 await db.exercise.update({