diff --git a/src/prelaunch/microwave.a b/src/prelaunch/microwave.a
index f8ef15df9..851b94a6f 100644
--- a/src/prelaunch/microwave.a
+++ b/src/prelaunch/microwave.a
@@ -1,5 +1,5 @@
 ;license:MIT
-;(c) 2020 by qkumba
+;(c) 2020 by qkumba/Frank M.
 
 !cpu 6502
 !to "build/PRELAUNCH/MICROWAVE",plain
@@ -18,7 +18,11 @@ callback
          sta   $8EB       ; patch - don't increase lives
          sta   $C41       ; patch - don't decrease lives
 +
+         lda   $7FE       ; screen hole
+         pha
          jsr   DisableAccelerator
+         pla
+         sta   $7FE       ; fix on Mac //e Card
          bit   $C082
          lda   #0
          jmp   $8974