diff --git a/LibreWolf-WinUpdater.ahk b/LibreWolf-WinUpdater.ahk
index 43e1ed2..eb44c0e 100644
--- a/LibreWolf-WinUpdater.ahk
+++ b/LibreWolf-WinUpdater.ahk
@@ -421,6 +421,7 @@ ExtractPortable() {
 }
 
 Install() {
+	GuiControl, Disable, UpdateButton
 	Progress(_Installing)
 	If (Scheduled)
 		Notify(_Installing, CurrentVersion " " _To " v" NewVersion, 3000)