diff --git a/crypto/md32_common.h b/crypto/md32_common.h
index 977ea8e73bb20d7d8044ba0fd6cf5d8dc7a56413..4270862d68be7e713d2decab1aef5b380de6465d 100644
--- a/crypto/md32_common.h
+++ b/crypto/md32_common.h
@@ -486,7 +486,7 @@ void HASH_UPDATE (HASH_CTX *c, const unsigned char *data, unsigned long len)
 #endif
 #if defined(HASH_BLOCK_DATA_ORDER)
 			{
-			HASH_BLOCK_DATA_ORDER (c,(HASH_LONG *)data,sw);
+			HASH_BLOCK_DATA_ORDER(c,(const unsigned char *)data,sw);
 			sw*=HASH_CBLOCK;
 			data+=sw;
 			len-=sw;
@@ -524,7 +524,7 @@ void HASH_TRANSFORM (HASH_CTX *c, unsigned char *data)
 #endif
 #endif
 #if defined(HASH_BLOCK_DATA_ORDER)
-	HASH_BLOCK_DATA_ORDER (c,(HASH_LONG *)data,1);
+	HASH_BLOCK_DATA_ORDER (c,(const unsigned char *)data,1);
 #endif
 	}