diff --git a/Greenshot/Forms/QualityDialog.Designer.cs b/Greenshot/Forms/QualityDialog.Designer.cs
index 973c0e70e..3681f993b 100644
--- a/Greenshot/Forms/QualityDialog.Designer.cs
+++ b/Greenshot/Forms/QualityDialog.Designer.cs
@@ -121,6 +121,7 @@ namespace Greenshot {
 			this.AutoScaleDimensions = new System.Drawing.SizeF(96F, 96F);
 			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Dpi;
 			this.ClientSize = new System.Drawing.Size(299, 184);
+			this.ControlBox = false;
 			this.Controls.Add(this.checkBox_reduceColors);
 			this.Controls.Add(this.button_ok);
 			this.Controls.Add(this.checkbox_dontaskagain);