diff --git a/libnm-glib/nm-settings-connection-interface.c b/libnm-glib/nm-settings-connection-interface.c
index cc3c4b977e..7405fd4678 100644
--- a/libnm-glib/nm-settings-connection-interface.c
+++ b/libnm-glib/nm-settings-connection-interface.c
@@ -127,7 +127,7 @@ nm_settings_connection_interface_emit_updated (NMSettingsConnectionInterface *co
 		settings = nm_connection_to_hash (tmp);
 		g_object_unref (tmp);
 
-		g_signal_emit_by_name (connection, "updated", settings);
+		g_signal_emit_by_name (connection, NM_SETTINGS_CONNECTION_INTERFACE_UPDATED, settings);
 		g_hash_table_destroy (settings);
 	}
 }
@@ -142,7 +142,7 @@ nm_settings_connection_interface_init (gpointer g_iface)
 		return;
 
 	/* Signals */
-	g_signal_new ("updated",
+	g_signal_new (NM_SETTINGS_CONNECTION_INTERFACE_UPDATED,
 				  iface_type,
 				  G_SIGNAL_RUN_FIRST,
 				  G_STRUCT_OFFSET (NMSettingsConnectionInterface, updated),
@@ -150,7 +150,7 @@ nm_settings_connection_interface_init (gpointer g_iface)
 				  g_cclosure_marshal_VOID__BOXED,
 				  G_TYPE_NONE, 1, DBUS_TYPE_G_MAP_OF_MAP_OF_VARIANT);
 
-	g_signal_new ("removed",
+	g_signal_new (NM_SETTINGS_CONNECTION_INTERFACE_REMOVED,
 				  iface_type,
 				  G_SIGNAL_RUN_FIRST,
 				  G_STRUCT_OFFSET (NMSettingsConnectionInterface, removed),
diff --git a/libnm-glib/nm-settings-connection-interface.h b/libnm-glib/nm-settings-connection-interface.h
index e8118bb72e..477ff9863d 100644
--- a/libnm-glib/nm-settings-connection-interface.h
+++ b/libnm-glib/nm-settings-connection-interface.h
@@ -36,6 +36,8 @@ G_BEGIN_DECLS
 #define NM_IS_SETTINGS_CONNECTION_INTERFACE(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), NM_TYPE_SETTINGS_CONNECTION_INTERFACE))
 #define NM_SETTINGS_CONNECTION_INTERFACE_GET_INTERFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), NM_TYPE_SETTINGS_CONNECTION_INTERFACE, NMSettingsConnectionInterface))
 
+#define NM_SETTINGS_CONNECTION_INTERFACE_UPDATED               "updated"
+#define NM_SETTINGS_CONNECTION_INTERFACE_REMOVED               "removed"
 
 typedef struct _NMSettingsConnectionInterface NMSettingsConnectionInterface;