diff --git a/bus/driver.c b/bus/driver.c
index 4a6a3243..5e8a7a26 100644
--- a/bus/driver.c
+++ b/bus/driver.c
@@ -32,6 +32,7 @@
 #include "utils.h"
 #include <dbus/dbus-string.h>
 #include <dbus/dbus-internals.h>
+#include <dbus/dbus-message.h>
 #include <dbus/dbus-marshal-recursive.h>
 #include <string.h>
 
@@ -791,6 +792,9 @@ send_ack_reply (DBusConnection *connection,
 {
   DBusMessage *reply;
 
+  if (dbus_message_get_no_reply (message))
+    return TRUE;
+
   reply = dbus_message_new_method_return (message);
   if (reply == NULL)
     {