diff --git a/zsnes/src/init.asm b/zsnes/src/init.asm
index 1a712906..3cd44fcd 100644
--- a/zsnes/src/init.asm
+++ b/zsnes/src/init.asm
@@ -1636,6 +1636,21 @@ NEWSYM headerhack
     mov byte[opexec358],187
 .notds9
 
+    mov esi,[romdata]
+    add esi,0FFC0h
+    cmp dword[esi],'CLAY'
+    jne .notclayfighter
+    cmp dword[esi+4],' FIG'
+    jne .notclayfighter
+    cmp dword[esi+8],'HTER'
+    jne .notclayfighter
+    cmp dword[esi+12],'    '
+    jne .notclayfighter
+    mov esi,[romdata]
+    add esi,01A10B9h
+    mov byte[esi],0DEh
+.notclayfighter
+
     mov esi,[romdata]
     add esi,0FFC0h
     cmp dword[esi],'Baha'