diff --git a/CryptoPkg/Library/OpensslLib/EDKII_openssl-1.0.2c.patch b/CryptoPkg/Library/OpensslLib/EDKII_openssl-1.0.2c.patch
index 54e14d8af9..0d9575e94a 100644
--- a/CryptoPkg/Library/OpensslLib/EDKII_openssl-1.0.2c.patch
+++ b/CryptoPkg/Library/OpensslLib/EDKII_openssl-1.0.2c.patch
@@ -344,3 +344,37 @@ diff U3 crypto/opensslconf.h crypto/opensslconf.h
  #endif
  
  #if defined(HEADER_RC4_LOCL_H) && !defined(CONFIG_HEADER_RC4_LOCL_H)
+diff U3 crypto/err/err.c crypto/err/err.c
+--- crypto/err/err.c
++++ crypto/err/err.c
+@@ -1072,7 +1072,12 @@ void ERR_set_error_data(char *data, int flags)
+     es->err_data_flags[i] = flags;
+ }
+ 
++/* Add EFIAPI for UEFI version. */
++#if defined(OPENSSL_SYS_UEFI)
++void EFIAPI ERR_add_error_data(int num, ...)
++#else
+ void ERR_add_error_data(int num, ...)
++#endif
+ {
+     va_list args;
+     va_start(args, num);
+diff U3 crypto/err/err.h crypto/err/err.h
+--- crypto/err/err.h
++++ crypto/err/err.h
+@@ -344,7 +344,14 @@ void ERR_print_errors_fp(FILE *fp);
+ # ifndef OPENSSL_NO_BIO
+ void ERR_print_errors(BIO *bp);
+ # endif
++
++/* Add EFIAPI for UEFI version. */
++#if defined(OPENSSL_SYS_UEFI)
++void EFIAPI ERR_add_error_data(int num, ...);
++#else
+ void ERR_add_error_data(int num, ...);
++#endif
++
+ void ERR_add_error_vdata(int num, va_list args);
+ void ERR_load_strings(int lib, ERR_STRING_DATA str[]);
+ void ERR_unload_strings(int lib, ERR_STRING_DATA str[]);