diff --git a/src/plugins/srm/gfal_srm_getput.c b/src/plugins/srm/gfal_srm_getput.c

index 52bb244..bf30262 100644

--- a/src/plugins/srm/gfal_srm_getput.c

+++ b/src/plugins/srm/gfal_srm_getput.c

@@ -69,7 +69,8 @@ static int validate_turls(int n_results, gfal_srm_result** resu,

         if (!matching_protocol) {

             failed = -1;

             gfal2_set_error(tmp_err, gfal2_get_plugin_srm_quark(), EBADMSG, __func__,

-                    "The SRM endpoint returned a protocol that wasn't requested: %s");

+                    "The SRM endpoint returned a protocol that wasn't requested: %s",

+                    turl);

         }

     }

     // Didn't match, so free and set an error