diff --git a/channels/chan_zap.c b/channels/chan_zap.c
index e83a57c1cd2e4b749c6b2fd0698033951b7c73ba..7d369a916e6fa057945fd23d626cd95bdba55ac5 100644
--- a/channels/chan_zap.c
+++ b/channels/chan_zap.c
@@ -10139,6 +10139,7 @@ static int __unload_module(void)
 	ast_manager_unregister( "ZapDNDoff" );
 	ast_manager_unregister( "ZapDNDon" );
 	ast_manager_unregister("ZapShowChannels");
+	ast_manager_unregister("ZapRestart");
 	ast_channel_unregister(&zap_tech);
 	ast_mutex_lock(&iflock);
 	/* Hangup all interfaces if they have an owner */