1 files changed, 2 insertions, 1 deletions
diff --git a/Swiften/Parser/PayloadParsers/MAMQueryParser.h b/Swiften/Parser/PayloadParsers/MAMQueryParser.h
index 7bbdacb..d160926 100644
--- a/Swiften/Parser/PayloadParsers/MAMQueryParser.h
+++ b/Swiften/Parser/PayloadParsers/MAMQueryParser.h
@@ -3,21 +3,22 @@
  * Licensed under the GNU General Public License v3.
  * See Documentation/Licenses/GPLv3.txt for more information.
  */
 
 #pragma once
 
+#include <string>
+
 #include <boost/shared_ptr.hpp>
 
 #include <Swiften/Base/Override.h>
 #include <Swiften/Base/API.h>
 #include <Swiften/Elements/MAMQuery.h>
 #include <Swiften/Parser/GenericPayloadParser.h>
 
 namespace Swift {
-	class PayloadParserFactoryCollection;
 	class ResultSetParser;
 	class FormParser;
 
 	class SWIFTEN_API MAMQueryParser : public GenericPayloadParser<MAMQuery> {
 		public:
 			MAMQueryParser();