diff --git a/gdbus/object.c b/gdbus/object.c
index e378074e..0ef6c80e 100644
--- a/gdbus/object.c
+++ b/gdbus/object.c
@@ -496,7 +496,7 @@ done:
 	g_free(parent_path);
 }
 
-static GDBusMethodTable introspect_methods[] = {
+static const GDBusMethodTable introspect_methods[] = {
 	{ "Introspect",	"",	"s", introspect	},
 	{ }
 };