diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 422df9944c..aceeb45dff 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -6998,14 +6998,14 @@ int mbedtls_ssl_set_calc_verify_md( mbedtls_ssl_context *ssl, int md )
 {
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
     if( ssl->minor_ver != MBEDTLS_SSL_MINOR_VERSION_3 )
-        return MBEDTLS_ERR_SSL_INVALID_VERIFY_HASH;
+        return( 1 );
 
     switch( md )
     {
 #if defined(MBEDTLS_SSL_PROTO_TLS1) || defined(MBEDTLS_SSL_PROTO_TLS1_1)
 #if defined(MBEDTLS_MD5_C)
         case MBEDTLS_SSL_HASH_MD5:
-            return MBEDTLS_ERR_SSL_INVALID_VERIFY_HASH;
+            return( 1 );
 #endif
 #if defined(MBEDTLS_SHA1_C)
         case MBEDTLS_SSL_HASH_SHA1:
@@ -7024,7 +7024,7 @@ int mbedtls_ssl_set_calc_verify_md( mbedtls_ssl_context *ssl, int md )
             break;
 #endif
         default:
-            return MBEDTLS_ERR_SSL_INVALID_VERIFY_HASH;
+            return( 1 );
     }
 
     return 0;
@@ -7032,7 +7032,7 @@ int mbedtls_ssl_set_calc_verify_md( mbedtls_ssl_context *ssl, int md )
     (void) ssl;
     (void) md;
 
-    return MBEDTLS_ERR_SSL_INVALID_VERIFY_HASH;
+    return( 1 );
 #endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
 }