diff --git a/Greenshot/Controls/Pipette.cs b/Greenshot/Controls/Pipette.cs
index f6c7c7587..7bf57d0d8 100644
--- a/Greenshot/Controls/Pipette.cs
+++ b/Greenshot/Controls/Pipette.cs
@@ -90,7 +90,7 @@ namespace Greenshot.Controls {
 			}
 			movableShowColorForm = null;
 			_cursor = null;
-			base.Dispose();
+			base.Dispose(disposing);
 		}
 
 		/// <summary>