diff --git a/include/transport/adhoccommandfactory.h b/include/transport/adhoccommandfactory.h
index a0430d0fb3620a6369a94e8ebacb7eb83ff26a45..9f1691a5dba12d8b99bfb2fc7847c62bf46678e4 100644
--- a/include/transport/adhoccommandfactory.h
+++ b/include/transport/adhoccommandfactory.h
@@ -29,6 +29,8 @@
 namespace Transport {
 
 class Component;
+class UserManager;
+class StorageBackend;
 
 class AdHocCommandFactory {
 	public:
@@ -37,7 +39,7 @@ class AdHocCommandFactory {
 		/// Destructor.
 		virtual ~AdHocCommandFactory() {}
 
-		virtual AdHocCommand *createAdHocCommand(Component *component, const Swift::JID &initiator, const Swift::JID &to) = 0;
+		virtual AdHocCommand *createAdHocCommand(Component *component, UserManager *userManager, StorageBackend *storageBackend, const Swift::JID &initiator, const Swift::JID &to) = 0;
 
 		virtual std::string getNode() = 0;