diff --git a/lib/screens/chat/room_detail.dart b/lib/screens/chat/room_detail.dart
index e0989b2..99e9385 100644
--- a/lib/screens/chat/room_detail.dart
+++ b/lib/screens/chat/room_detail.dart
@@ -421,10 +421,10 @@ class _ChatRoomActionMenu extends HookConsumerWidget {
                   showConfirmAlert(
                     'deleteChatRoomHint'.tr(),
                     'deleteChatRoom'.tr(),
-                  ).then((confirm) {
+                  ).then((confirm) async {
                     if (confirm) {
                       final client = ref.watch(apiClientProvider);
-                      client.delete('/sphere/chat/$id');
+                      await client.delete('/sphere/chat/$id');
                       ref.invalidate(chatroomsJoinedProvider);
                       if (context.mounted) {
                         context.pop();
@@ -454,10 +454,10 @@ class _ChatRoomActionMenu extends HookConsumerWidget {
                   showConfirmAlert(
                     'leaveChatRoomHint'.tr(),
                     'leaveChatRoom'.tr(),
-                  ).then((confirm) {
+                  ).then((confirm) async {
                     if (confirm) {
                       final client = ref.watch(apiClientProvider);
-                      client.delete('/sphere/chat/$id/members/me');
+                      await client.delete('/sphere/chat/$id/members/me');
                       ref.invalidate(chatroomsJoinedProvider);
                       if (context.mounted) {
                         context.pop();
diff --git a/lib/screens/realm/realm_detail.dart b/lib/screens/realm/realm_detail.dart
index a02dfc8..4dc73ec 100644
--- a/lib/screens/realm/realm_detail.dart
+++ b/lib/screens/realm/realm_detail.dart
@@ -321,10 +321,10 @@ class _RealmActionMenu extends HookConsumerWidget {
                               showConfirmAlert(
                                 'leaveRealmHint'.tr(),
                                 'leaveRealm'.tr(),
-                              ).then((confirm) {
+                              ).then((confirm) async {
                                 if (confirm) {
                                   final client = ref.watch(apiClientProvider);
-                                  client.delete(
+                                  await client.delete(
                                     '/sphere/realms/$realmSlug/members/me',
                                   );
                                   ref.invalidate(realmsJoinedProvider);
@@ -361,10 +361,12 @@ class _RealmActionMenu extends HookConsumerWidget {
                       showConfirmAlert(
                         'leaveRealmHint'.tr(),
                         'leaveRealm'.tr(),
-                      ).then((confirm) {
+                      ).then((confirm) async {
                         if (confirm) {
                           final client = ref.watch(apiClientProvider);
-                          client.delete('/sphere/realms/$realmSlug/members/me');
+                          await client.delete(
+                            '/sphere/realms/$realmSlug/members/me',
+                          );
                           ref.invalidate(realmsJoinedProvider);
                           if (context.mounted) {
                             context.pop(true);