diff --git a/src/libosmo-mgcp/mgcp_trunk.c b/src/libosmo-mgcp/mgcp_trunk.c
index c69c242..69750f8 100644
--- a/src/libosmo-mgcp/mgcp_trunk.c
+++ b/src/libosmo-mgcp/mgcp_trunk.c
@@ -123,7 +123,7 @@
 	OSMO_ASSERT(number_endpoints < 65534);
 
 	/* allocate pointer array for the endpoints */
-	trunk->endpoints = talloc_zero_array(trunk->cfg, struct mgcp_endpoint*,
+	trunk->endpoints = talloc_zero_array(trunk, struct mgcp_endpoint*,
 					     number_endpoints);
 	if (!trunk->endpoints)
 		return -1;