diff --git a/include/mbedtls/ssl_internal.h b/include/mbedtls/ssl_internal.h
index ee0fa29..f53d747 100644
--- a/include/mbedtls/ssl_internal.h
+++ b/include/mbedtls/ssl_internal.h
@@ -1806,4 +1806,6 @@
     ssl->pending_fatal_alert_msg = message;
 }
 
+#define SSL_PROC_CHK(f) do { if( ( ret = f ) < 0 ) goto cleanup; } while( 0 )
+
 #endif /* ssl_internal.h */