diff --git a/Assets/Plugins/DebugGUI/Windows/DebugGUIWindow.cs b/Assets/Plugins/DebugGUI/Windows/DebugGUIWindow.cs
index 8fdbf10..7c535ec 100644
--- a/Assets/Plugins/DebugGUI/Windows/DebugGUIWindow.cs
+++ b/Assets/Plugins/DebugGUI/Windows/DebugGUIWindow.cs
@@ -126,6 +126,8 @@ protected void DrawRect(Rect rect, Color color, Vector2 padding = default)
             rect.position += this.rect.position;
             rect.size += padding * 2;
 
+            drawMat.SetPass(0);
+            
             GL.Begin(GL.QUADS);
             {
                 GL.Color(color);
@@ -164,4 +166,4 @@ protected void DrawLabel(Rect rect, string label, Vector2 padding = default, GUI
             GUI.Label(new Rect(rect.position + padding, rect.size + padding), tmpGuiContent, style ?? GUIStyle.none);
         }
     }
-}
\ No newline at end of file
+}