1 files changed, 1 insertions, 1 deletions
diff --git a/src/mm-generic-gsm.c b/src/mm-generic-gsm.c
index c41e9f2a..6c7b938c 100644
--- a/src/mm-generic-gsm.c
+++ b/src/mm-generic-gsm.c
@@ -350,7 +350,7 @@ pin_check_done (MMAtSerialPort *port,
             info->error = g_error_new (MM_MODEM_ERROR,
                                        MM_MODEM_ERROR_GENERAL,
                                        "Could not parse PIN request response '%s'",
-                                       response->str);
+                                       response ? response->str : "(unknown)");
         }
     }