diff --git a/frontend/src/i18n/locale/de.json b/frontend/src/i18n/locale/de.json
index 15975e97..3988575d 100644
--- a/frontend/src/i18n/locale/de.json
+++ b/frontend/src/i18n/locale/de.json
@@ -82,5 +82,7 @@
     "reject": "zurückweisen",
     "areusure": "Sind Sie sicher?",
     "yes": "ja",
-    "teachers": "Lehrer"
+    "teachers": "Lehrer",
+    "rejected": "abgelehnt",
+    "accepted": "akzeptiert"
 }
diff --git a/frontend/src/i18n/locale/en.json b/frontend/src/i18n/locale/en.json
index 76a9bcf2..630790ad 100644
--- a/frontend/src/i18n/locale/en.json
+++ b/frontend/src/i18n/locale/en.json
@@ -82,5 +82,7 @@
     "reject": "reject",
     "areusure": "Are you sure?",
     "yes": "yes",
-    "teachers": "teachers"
+    "teachers": "teachers",
+    "accepted": "accepted",
+    "rejected": "rejected"
 }
diff --git a/frontend/src/i18n/locale/fr.json b/frontend/src/i18n/locale/fr.json
index d5eed78a..777d0a9a 100644
--- a/frontend/src/i18n/locale/fr.json
+++ b/frontend/src/i18n/locale/fr.json
@@ -82,5 +82,7 @@
     "reject": "rejeter",
     "areusure": "Êtes-vous sûr?",
     "yes": "oui",
-    "teachers": "enseignants"
+    "teachers": "enseignants",
+    "accepted": "acceptée",
+    "rejected": "rejetée"
 }
diff --git a/frontend/src/i18n/locale/nl.json b/frontend/src/i18n/locale/nl.json
index 1c2b2b37..754592cd 100644
--- a/frontend/src/i18n/locale/nl.json
+++ b/frontend/src/i18n/locale/nl.json
@@ -82,5 +82,7 @@
     "reject": "weiger",
     "areusure": "Bent u zeker?",
     "yes": "ja",
-    "teachers": "leerkrachten"
+    "teachers": "leerkrachten",
+    "accepted": "geaccepteerd",
+    "rejected": "geweigerd"
 }
diff --git a/frontend/src/queries/teachers.ts b/frontend/src/queries/teachers.ts
index 3e77f819..59da84f4 100644
--- a/frontend/src/queries/teachers.ts
+++ b/frontend/src/queries/teachers.ts
@@ -137,7 +137,7 @@ export function useUpdateJoinRequestMutation(): UseMutationReturnType<
         mutationFn: async ({ teacherUsername, classId, studentUsername, accepted }) =>
             teacherController.updateStudentJoinRequest(teacherUsername, classId, studentUsername, accepted),
         onSuccess: async (deletedJoinRequest) => {
-            const username = deletedJoinRequest.request.requester;
+            const username = deletedJoinRequest.request.requester.username;
             const classId = deletedJoinRequest.request.class;
             await queryClient.invalidateQueries({ queryKey: studentJoinRequestsQueryKey(username) });
             await queryClient.invalidateQueries({ queryKey: studentJoinRequestQueryKey(username, classId) });
diff --git a/frontend/src/views/classes/SingleClass.vue b/frontend/src/views/classes/SingleClass.vue
index 0e165fa3..196115e2 100644
--- a/frontend/src/views/classes/SingleClass.vue
+++ b/frontend/src/views/classes/SingleClass.vue
@@ -61,8 +61,16 @@
                 accepted: accepted,
             },
             {
-                onSuccess: () => {
-                    showSnackbar(t("sent"), "success");
+                onSuccess: async () => {
+                    if (accepted){
+                        await joinRequestsQuery.refetch();
+                        await getStudents.refetch();
+
+                        showSnackbar(t("accepted"), "success");
+                    } else {
+                        await joinRequestsQuery.refetch();
+                        showSnackbar(t("rejected"), "success");
+                    }
                 },
                 onError: (e) => {
                     showSnackbar(t("failed") + ": " + e.message, "error");