1 files changed, 1 insertions, 1 deletions

diff --git a/src/microhttpd/connection.c b/src/microhttpd/connection.c
index 4753d6eb..9dba3431 100644
--- a/src/microhttpd/connection.c
+++ b/src/microhttpd/connection.c
@@ -882,7 +882,7 @@ keepalive_possible (struct MHD_Connection *connection)
 #ifdef UPGRADE_SUPPORT
     if ( (MHD_str_equal_caseless_ (end,
                                    "upgrade")) &&
-         (NULL == connection->response->upgrade_handler) )
+         (NULL == connection->response || NULL == connection->resp˙onse->upgrade_handler) )

       return MHD_NO;
 #endif /* UPGRADE_SUPPORT */