--- a/lib/tiger.c	
+++ a/lib/tiger.c	
@@ -254,7 +254,7 @@ void tiger_final(struct tiger_ctx *ctx)
 	register mutils_word64 i, j;
 	/* Force 64-bit alignment */
 	mutils_word64 temp_64bit[TIGER_DATASIZE/8];
-	mutils_word8 *temp = temp_64bit;
+	mutils_word64 *temp = temp_64bit;
 	i = ctx->index;
 	
 #if defined(WORDS_BIGENDIAN)