1 files changed, 2 insertions, 0 deletions
diff --git a/Swiften/Elements/DeliveryReceipt.h b/Swiften/Elements/DeliveryReceipt.h
index 927da73..f42176f 100644
--- a/Swiften/Elements/DeliveryReceipt.h
+++ b/Swiften/Elements/DeliveryReceipt.h
@@ -1,34 +1,36 @@
 /*
  * Copyright (c) 2011 Tobias Markmann
  * Licensed under the BSD license.
  * See http://www.opensource.org/licenses/bsd-license.php for more information.
  */
 
 #pragma once
 
+#include <string>
+
 #include <Swiften/Elements/Payload.h>
 
 namespace Swift {
 
 class DeliveryReceipt : public Payload {
 	public:
 		typedef boost::shared_ptr<DeliveryReceipt> ref;
 
 	public:
 		DeliveryReceipt() {}
 
 		DeliveryReceipt(const std::string& msgId) : receivedID_(msgId) {}
 
 		void setReceivedID(const std::string& msgId) {
 			receivedID_ = msgId;
 		}
 
 		std::string getReceivedID() const {
 			return receivedID_;
 		}
 
 	private:
 		std::string receivedID_;
 };
 
 }