diff --git a/src/SleepingOwl/Admin/Models/Form/FormItem/MultiSelect.php b/src/SleepingOwl/Admin/Models/Form/FormItem/MultiSelect.php
index 07221899..a4e95826 100644
--- a/src/SleepingOwl/Admin/Models/Form/FormItem/MultiSelect.php
+++ b/src/SleepingOwl/Admin/Models/Form/FormItem/MultiSelect.php
@@ -61,9 +61,9 @@ public function render()
 		}
 		$this->attributes['class'] .= ' multiselect';
 		$this->attributes['multiple'] = true;
-		
-		$values = ( is_object( $this->values() ) ) ? $this->values()->toArray() : $this->values(); 
-		
+
+		$values = ( is_object( $this->values() ) ) ? $this->values()->toArray() : $this->values();
+
 		$content = $this->formBuilder->selectGroup($this->name, $this->label, $list, $values, $this->attributes);
 		$content .= '<input type="hidden" name="' . $this->name . '" value="__dummy-multiselect-value"/>';
 		return $content;
@@ -120,7 +120,7 @@ public function values()
 		{
 			if ($result instanceof Relation)
 			{
-				$result = $result->lists($part);
+				$result = $result->lists($part)->all();
 			} else
 			{
 				$result = $result->$part();
@@ -150,4 +150,4 @@ public function updateRequestData(&$data)
 		}
 	}
 
-} 
+}