diff --git a/crypto/sm2/miracl/mrmuldv.g64 b/crypto/sm2/miracl/mrmuldv.c
similarity index 98%
rename from crypto/sm2/miracl/mrmuldv.g64
rename to crypto/sm2/miracl/mrmuldv.c
index 257ad631..aeab7d1c 100644
--- a/crypto/sm2/miracl/mrmuldv.g64
+++ b/crypto/sm2/miracl/mrmuldv.c
@@ -1,7 +1,7 @@
 
 /* GCC inline assembly version for Linux64 */
 
-#include "miracl.h"
+#include <openssl/miracl.h>
 
 
 mr_small muldiv(mr_small a,mr_small b,mr_small c,mr_small m,mr_small *rp)