diff --git a/src/fu-config.c b/src/fu-config.c
index a2bfaef3a..4e4bb6d4b 100644
--- a/src/fu-config.c
+++ b/src/fu-config.c
@@ -20,6 +20,14 @@
 #include "fwupd-error.h"
 #include "fwupd-remote-private.h"
 
+
+enum {
+	SIGNAL_CHANGED,
+	SIGNAL_LAST
+};
+
+static guint signals[SIGNAL_LAST] = { 0 };
+
 static void fu_config_finalize	 (GObject *obj);
 
 struct _FuConfig
@@ -40,6 +48,13 @@ struct _FuConfig
 
 G_DEFINE_TYPE (FuConfig, fu_config, G_TYPE_OBJECT)
 
+static void
+fu_config_emit_changed (FuConfig *self)
+{
+	g_debug ("::configuration changed");
+	g_signal_emit (self, signals[SIGNAL_CHANGED], 0);
+}
+
 static GPtrArray *
 fu_config_get_config_paths (void)
 {
@@ -80,6 +95,7 @@ fu_config_monitor_changed_cb (GFileMonitor *monitor,
 	g_debug ("%s changed, reloading all configs", filename);
 	if (!fu_config_load (self, FU_CONFIG_LOAD_FLAG_NONE, &error))
 		g_warning ("failed to rescan config: %s", error->message);
+	fu_config_emit_changed (self);
 }
 
 static guint64
@@ -603,6 +619,12 @@ fu_config_class_init (FuConfigClass *klass)
 {
 	GObjectClass *object_class = G_OBJECT_CLASS (klass);
 	object_class->finalize = fu_config_finalize;
+
+	signals[SIGNAL_CHANGED] =
+		g_signal_new ("changed",
+			      G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST,
+			      0, NULL, NULL, g_cclosure_marshal_VOID__VOID,
+			      G_TYPE_NONE, 0);
 }
 
 static void
diff --git a/src/fu-engine.c b/src/fu-engine.c
index 88b6d96ef..d07843c3a 100644
--- a/src/fu-engine.c
+++ b/src/fu-engine.c
@@ -2362,6 +2362,16 @@ fu_engine_load_metadata_store (FuEngine *self, FuEngineLoadFlags flags, GError *
 	return TRUE;
 }
 
+static void
+fu_engine_config_changed_cb (FuConfig *config, FuEngine *self)
+{
+	g_autoptr(GError) error_local = NULL;
+	if (!fu_engine_load_metadata_store (self, FU_ENGINE_LOAD_FLAG_NONE,
+					    &error_local))
+		g_warning ("Failed to reload metadata store: %s",
+			   error_local->message);
+}
+
 static FuKeyringResult *
 fu_engine_get_existing_keyring_result (FuEngine *self,
 				       FuKeyring *kr,
@@ -4670,6 +4680,10 @@ fu_engine_init (FuEngine *self)
 	self->compile_versions = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
 	self->approved_firmware = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
 
+	g_signal_connect (self->config, "changed",
+			  G_CALLBACK (fu_engine_config_changed_cb),
+			  self);
+
 	g_signal_connect (self->idle, "notify::status",
 			  G_CALLBACK (fu_engine_idle_status_notify_cb), self);