diff --git a/doGui.go b/doGui.go
index 10d579f..4b73077 100644
--- a/doGui.go
+++ b/doGui.go
@@ -106,6 +106,8 @@ func drawWindow(win *gadgets.BasicWindow) {
 	// you can merge everything into the devel branch and make sure it actually
 	// works. Then, when that is good, merge and version everything in master
 	me.setBranchB = grid.NewButton("git checkout", func() {
+		win.Disable()
+		defer win.Enable()
 		if reposWin != nil {
 			log.Info("reposWin == nil")
 			reposWin.Hide()