diff --git a/globalDisplayOptions.go b/globalDisplayOptions.go
index 514a48f..15d5ebf 100644
--- a/globalDisplayOptions.go
+++ b/globalDisplayOptions.go
@@ -93,6 +93,8 @@ func globalDisplayOptions(box *gui.Node) {
 	*/
 
 	grid.NewButton("make prepare-release", func() {
+		me.Disable()
+		defer me.Enable()
 		loop := me.repos.View.ReposSortByName()
 		for loop.Scan() {
 			repo := loop.Repo()
@@ -106,6 +108,10 @@ func globalDisplayOptions(box *gui.Node) {
 			}
 		}
 		findNext()
+		if setAllBranchesToMaster() {
+			// if it succeeds, disable this button
+			me.setBranchesToMasterB.Disable()
+		}
 	})
 	grid.NextRow()