diff --git a/zsnes/src/init.asm b/zsnes/src/init.asm
index 81602f9b..889b1a52 100644
--- a/zsnes/src/init.asm
+++ b/zsnes/src/init.asm
@@ -1453,6 +1453,19 @@ NEWSYM headerhack
     mov byte[ENVDisable],0
     mov byte[MMXSRAMFix],0
 
+    mov esi,[romdata]
+    add esi,07FC0h
+    cmp dword[esi],'BATT'
+    jne .notbattlegp
+    cmp dword[esi+4],'LE G'
+    jne .notbattlegp
+    cmp dword[esi+8],'RAND'
+    jne .notbattlegp
+    mov esi,[romdata]
+    add esi,018089h
+    mov byte[esi],0FBh
+.notbattlegp
+
     mov esi,[romdata]
     add esi,07FC0h
     cmp dword[esi],'NEUG'