diff --git a/src/Traits/TeamworkTeamTrait.php b/src/Traits/TeamworkTeamTrait.php
index 0693894..ee68518 100644
--- a/src/Traits/TeamworkTeamTrait.php
+++ b/src/Traits/TeamworkTeamTrait.php
@@ -49,6 +49,6 @@ public function owner()
      */
     public function hasUser(Model $user)
     {
-        return $this->users()->where($user->getKeyName(), '=', $user->getKey())->first() ? true : false;
+        return $this->users()->where($user->getTable() . '.' . $user->getKeyName(), '=', $user->getKey())->first() ? true : false;
     }
 }
diff --git a/tests/Feature/TeamworkTeamTraitTest.php b/tests/Feature/TeamworkTeamTraitTest.php
index a271f62..5dc73d8 100644
--- a/tests/Feature/TeamworkTeamTraitTest.php
+++ b/tests/Feature/TeamworkTeamTraitTest.php
@@ -75,18 +75,23 @@ public function testHasUser()
     {
         $stub = m::mock('\Mpociot\Teamwork\Tests\Feature\TestUserTeamTraitStub[users,first]');
 
-        $user = m::mock('\Mpociot\Teamwork\Tests\Feature\TestUser[getKey]');
+        $user = m::mock('\Mpociot\Teamwork\Tests\Feature\TestUser[getKey, getTable]');
+
         $user->shouldReceive('getKey')
             ->once()
             ->andReturn('key');
 
+        $user->shouldReceive('getTable')
+            ->once()
+            ->andReturn('users');
+
         $stub->shouldReceive('first')
             ->once()
             ->andReturn(true);
 
         $stub->shouldReceive('where')
             ->once()
-            ->with('user_id', '=', 'key')
+            ->with('users.user_id', '=', 'key')
             ->andReturnSelf();
 
         $stub->shouldReceive('users')
@@ -99,18 +104,23 @@ public function testHasUserReturnsFalse()
     {
         $stub = m::mock('\Mpociot\Teamwork\Tests\Feature\TestUserTeamTraitStub[users,first]');
 
-        $user = m::mock('\Mpociot\Teamwork\Tests\Feature\TestUser[getKey]');
+        $user = m::mock('\Mpociot\Teamwork\Tests\Feature\TestUser[getKey, getTable]');
+
         $user->shouldReceive('getKey')
             ->once()
             ->andReturn('key');
 
+        $user->shouldReceive('getTable')
+            ->once()
+            ->andReturn('users');
+
         $stub->shouldReceive('first')
             ->once()
             ->andReturn(false);
 
         $stub->shouldReceive('where')
             ->once()
-            ->with('user_id', '=', 'key')
+            ->with('users.user_id', '=', 'key')
             ->andReturnSelf();
 
         $stub->shouldReceive('users')
@@ -126,6 +136,16 @@ public function getKeyName()
     {
         return 'user_id';
     }
+
+    public function getTable()
+    {
+        return 'users';
+    }
+
+    public function getKey()
+    {
+        return 'key';
+    }
 }
 
 class TestUserTeamTraitStub extends \Illuminate\Database\Eloquent\Model