diff --git a/ClanLib/Sources/Core/IOData/Generic/datafile_inputprovider.h b/ClanLib/Sources/Core/IOData/Generic/datafile_inputprovider.h

index 9b11b9a..3e01d89 100644

--- a/ClanLib/Sources/Core/IOData/Generic/datafile_inputprovider.h

+++ b/ClanLib/Sources/Core/IOData/Generic/datafile_inputprovider.h

@@ -142,9 +142,9 @@ protected:

 		void insert(const std::string &resource_id, int data_pos, int data_size)

 		{

 			cache.insert(

-				std::make_pair<std::string const, std::pair<int, int> >(

+				std::make_pair(

 				resource_id,

-				std::make_pair<int,int>(data_pos, data_size)));

+				std::make_pair(data_pos, data_size)));

 		}

 	private: