diff --git a/include/boost/sort/common/file_vector.hpp b/include/boost/sort/common/file_vector.hpp
index ec2bb0e..642ccf3 100644
--- a/include/boost/sort/common/file_vector.hpp
+++ b/include/boost/sort/common/file_vector.hpp
@@ -89,7 +89,7 @@ inline int fill_vector_uint64(const std::string & filename,
     size_t uCount = length / 8;
     if (uCount < NElem)
     {
-        throw std::ios_base::failure("incorrect lenght of the file\n");
+        throw std::ios_base::failure("incorrect length of the file\n");
     };
     V.clear();
     V.reserve(NElem);