diff --git a/src/unwrap.cpp b/src/unwrap.cpp
index d509ad0..056de26 100644
--- a/src/unwrap.cpp
+++ b/src/unwrap.cpp
@@ -133,10 +133,10 @@ bool createRemapMap(const cv::Mat& image, RemapMap& out, const std::vector<Detec
 
 bool saveRemapMap(const RemapMap& map, const std::string& fileName)
 {
-	cv::FileStorage matf(fileName+".mat", cv::FileStorage::WRITE );
+	cv::FileStorage matf(fileName, cv::FileStorage::WRITE );
 	matf<<"xmat"<<map.xMat<<"ymat"<<map.yMat<<"origin"<<map.topLeftCoordinate;
 	matf.release();
-	Log(Log::INFO)<<"Unwrap maps saved to "<<fileName<<".mat";
+	Log(Log::INFO)<<"Unwrap maps saved to "<<fileName;
 	return true;
 }