diff --git a/crypto/sm2/sm2_standard_sign.c b/crypto/sm2/sm2_standard_sign.c
index c67a0504..9e1ca1ef 100644
--- a/crypto/sm2/sm2_standard_sign.c
+++ b/crypto/sm2/sm2_standard_sign.c
@@ -48,6 +48,8 @@
  */
 
 
+#include <openssl/mirdef.h>
+#include <openssl/miracl.h>
 #include <openssl/sm2_standard.h>