diff --git a/zsnes/src/init.asm b/zsnes/src/init.asm
index 437c0a39..3c40e79d 100644
--- a/zsnes/src/init.asm
+++ b/zsnes/src/init.asm
@@ -1676,10 +1676,7 @@ NEWSYM headerhack
     jne .notdq5
     cmp dword[esi+8],'EST5'
     jne .notdq5
-    mov byte[opexec268],220
-    mov byte[opexec358],220
-    mov byte[opexec268cph],64
-    mov byte[opexec358cph],64
+    mov byte[disablehdma],1
 .notdq5
 
     ; Lamborgini Challenge - -p 110