diff --git a/ide/aboutfrm.lfm b/ide/aboutfrm.lfm
index 4325d7db3d..d437ca7f3f 100644
--- a/ide/aboutfrm.lfm
+++ b/ide/aboutfrm.lfm
@@ -231,6 +231,7 @@ object AboutForm: TAboutForm
       Width = 75
       AutoSize = True
       BorderSpacing.Around = 6
+      Cancel = True
       Caption = '&Close'
       Kind = bkClose
       ModalResult = 1