diff --git a/lib/data/methods/group.dart b/lib/data/methods/group.dart
index d996af6..50a1745 100644
--- a/lib/data/methods/group.dart
+++ b/lib/data/methods/group.dart
@@ -6,8 +6,8 @@ extension GroupMethods on AppDatabase {
     return await select(group).get();
   }
 
-  Future<List<GroupData>> getGroupById(String id) async {
-    return await (select(group)..where((g) => g.id.equals(id))).get();
+  Future<GroupData> getGroupById(String id) async {
+    return await (select(group)..where((g) => g.id.equals(id))).getSingle();
   }
 
   Future<void> addGroup(String id, String name) async {
diff --git a/lib/data/methods/user.dart b/lib/data/methods/user.dart
index ddf26b0..6f4c508 100644
--- a/lib/data/methods/user.dart
+++ b/lib/data/methods/user.dart
@@ -6,8 +6,8 @@ extension UserMethods on AppDatabase {
     return await select(user).get();
   }
 
-  Future<List<UserData>> getUserById(String id) async {
-    return await (select(user)..where((u) => u.id.equals(id))).get();
+  Future<UserData> getUserById(String id) async {
+    return await (select(user)..where((u) => u.id.equals(id))).getSingle();
   }
 
   Future<void> addUser(String id, String name) async {