diff --git a/libnm/nm-object.c b/libnm/nm-object.c
index f02c09c2e2..391166b29b 100644
--- a/libnm/nm-object.c
+++ b/libnm/nm-object.c
@@ -919,7 +919,7 @@ handle_property_changed (NMObject *self, const char *dbus_name,
 		g_free (s);
 	}
 
-	if (pi->object_type) {
+	if (pspec && pi->object_type) {
 		if (g_variant_is_of_type (value, G_VARIANT_TYPE_OBJECT_PATH))
 			success = handle_object_property (self, pspec->name, value, pi, synchronously);
 		else if (g_variant_is_of_type (value, G_VARIANT_TYPE ("ao")))