diff --git a/src/components/MemberOf/MemberOfNetgroups.tsx b/src/components/MemberOf/MemberOfNetgroups.tsx
index be3fa5a6..da25c0a4 100644
--- a/src/components/MemberOf/MemberOfNetgroups.tsx
+++ b/src/components/MemberOf/MemberOfNetgroups.tsx
@@ -71,7 +71,7 @@ const memberOfNetgroups = (props: MemberOfNetroupsProps) => {
     no_user: uid,
     apiVersion: API_VERSION_BACKUP,
     startIdx: firstUserIdx,
-    stopIdx: lastUserIdx,
+    stopIdx: 100, // Limited to max. 100 netgroups to show in the dual selector
   });
 
   const [netgroupsFullList, setNetgroupsFullList] = React.useState<Netgroup[]>(
diff --git a/src/hooks/useUserMemberOfData.tsx b/src/hooks/useUserMemberOfData.tsx
index 1a6284d4..fece8cf0 100644
--- a/src/hooks/useUserMemberOfData.tsx
+++ b/src/hooks/useUserMemberOfData.tsx
@@ -36,7 +36,7 @@ const useUserMemberOfData = ({
     no_user: uid,
     apiVersion: API_VERSION_BACKUP,
     startIdx: firstUserIdx,
-    stopIdx: lastUserIdx,
+    stopIdx: 100, // Limited to max. 100 groups to show in the dual selector
   });
 
   const [userGroupsFullList, setUserGroupsFullList] = React.useState<