diff --git a/src/nm-connectivity.c b/src/nm-connectivity.c
index 609ed988c..204044d02 100644
--- a/src/nm-connectivity.c
+++ b/src/nm-connectivity.c
@@ -427,6 +427,7 @@ nm_connectivity_class_init (NMConnectivityClass *klass)
 	     g_param_spec_string (NM_CONNECTIVITY_URI, "", "",
 	                          NULL,
 	                          G_PARAM_READWRITE |
+	                          G_PARAM_CONSTRUCT |
 	                          G_PARAM_STATIC_STRINGS));
 
 	g_object_class_install_property