diff --git a/akode/plugins/mpc_decoder/mppdec/requant.h b/akode/plugins/mpc_decoder/mppdec/requant.h
index c5b8794..642a0f0 100644
--- a/akode/plugins/mpc_decoder/mppdec/requant.h
+++ b/akode/plugins/mpc_decoder/mppdec/requant.h
@@ -1,4 +1,4 @@
-#ifndef _requant_h
+#ifndef _requant_h_
 #define _requant_h_
 
 #include "mpc_dec.h"