diff --git a/Editor/SerializableCallbackDrawer.cs b/Editor/SerializableCallbackDrawer.cs
index 561796c..1d6207c 100644
--- a/Editor/SerializableCallbackDrawer.cs
+++ b/Editor/SerializableCallbackDrawer.cs
@@ -16,7 +16,7 @@ public override void OnGUI(Rect position, SerializedProperty property, GUIConten
 		property.serializedObject.ApplyModifiedProperties();
 
 		// Indent label
-		label.text = " " + label.text;
+		label = new GUIContent(label) { text = " " + label.text };
 
 #if UNITY_2019_1_OR_NEWER
 		GUI.Box(position, "");