diff --git a/src/opus_private.h b/src/opus_private.h
index 6534a5ed..52482bc1 100644
--- a/src/opus_private.h
+++ b/src/opus_private.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2011 Xiph.Org Foundation
+/* Copyright (c) 2012 Xiph.Org Foundation
    Written by Jean-Marc Valin */
 /*
    Redistribution and use in source and binary forms, with or without
@@ -77,7 +77,7 @@ int opus_decode_native(OpusDecoder *st, const unsigned char *data, opus_int32 le
 /* Make sure everything's aligned to sizeof(void *) bytes */
 static inline int align(int i)
 {
-    return (i+sizeof(void *)-1)&-sizeof(void *);
+    return (i+sizeof(void *)-1)&-((int)sizeof(void *));
 }
 
 opus_int32 opus_repacketizer_out_range_impl(OpusRepacketizer *rp, int begin, int end, unsigned char *data, opus_int32 maxlen, int self_delimited);