diff --git a/src/core/ddsi/src/q_init.c b/src/core/ddsi/src/q_init.c
index 374ad8e..540de37 100644
--- a/src/core/ddsi/src/q_init.c
+++ b/src/core/ddsi/src/q_init.c
@@ -1343,7 +1343,7 @@ err_mc_conn:
   if (gv.pcap_fp)
     os_mutexDestroy (&gv.pcap_lock);
   if (gv.disc_conn_uc != gv.disc_conn_mc)
-    ddsi_conn_free (gv.data_conn_uc);
+    ddsi_conn_free (gv.disc_conn_uc);
   if (gv.data_conn_uc != gv.disc_conn_uc)
     ddsi_conn_free (gv.data_conn_uc);
   free_group_membership(gv.mship);