diff --git a/src/utils/groups.be.ts b/src/utils/groups.be.ts
index 0a911581..269eded7 100644
--- a/src/utils/groups.be.ts
+++ b/src/utils/groups.be.ts
@@ -79,7 +79,7 @@ export const getAllAssignersByCorporate = async (corporateID: string): Promise<s
 	return teacherPromises.filter((x) => !!x).flat() as string[];
 };
 
-export const getGroupsForUser = async (admin: string, participant?: string) => {
+export const getGroupsForUser = async (admin?: string, participant?: string) => {
 	try {
 		const queryConstraints = [
 			...(admin ? [where("admin", "==", admin)] : []),