diff --git a/CMakeLists.txt b/CMakeLists.txt
index ad8062ed..e37456d0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@
 #
 
 cmake_minimum_required(VERSION 3.1)
-project(spdlog VERSION 0.14.0)
+project(spdlog VERSION 0.16.1)
 include(CTest)
 include(CMakeDependentOption)
 include(GNUInstallDirs)
diff --git a/include/spdlog/details/file_helper.h b/include/spdlog/details/file_helper.h
index 79150531..3b8df9c1 100644
--- a/include/spdlog/details/file_helper.h
+++ b/include/spdlog/details/file_helper.h
@@ -118,17 +118,18 @@ public:
     //
     // "my_folder/.mylog" => ("my_folder/.mylog")
     // "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt")
-
     static std::tuple<filename_t, filename_t> split_by_extenstion(const filename_t& fname)
     {
         auto index = fname.rfind('.');
-        bool found_ext = index != filename_t::npos && index !=0 && fname[index - 1] != details::os::folder_sep;
-        if (found_ext)
-            return std::make_tuple(fname.substr(0, index), fname.substr(index));
-        else
-            return std::make_tuple(fname, filename_t());
+        if (index != filename_t::npos && index != fname.size() - 1 &&index !=0 && fname[index - 1] != details::os::folder_sep) 
+        {
+            auto index2 = fname.find(details::os::folder_sep, index);
+            if (index2 == fname.npos) {
+                 return std::make_tuple(fname.substr(0, index), fname.substr(index));
+            }
+        }
+        return std::make_tuple(fname, std::string());
     }
-
 private:
     FILE* _fd;
     filename_t _filename;
diff --git a/include/spdlog/spdlog.h b/include/spdlog/spdlog.h
index 7121c31e..484a1010 100644
--- a/include/spdlog/spdlog.h
+++ b/include/spdlog/spdlog.h
@@ -7,7 +7,7 @@
 
 #pragma once
 
-#define SPDLOG_VERSION "0.14.0"
+#define SPDLOG_VERSION "0.16.1"
 
 #include "tweakme.h"
 #include "common.h"
diff --git a/tests/errors.cpp b/tests/errors.cpp
index 83af2051..c8281d63 100644
--- a/tests/errors.cpp
+++ b/tests/errors.cpp
@@ -15,7 +15,7 @@ class failing_sink: public spdlog::sinks::sink
         throw std::runtime_error("some error happened during log");
     }
 
-    void flush()
+    void flush() override
     {}
 };
 
diff --git a/tests/file_helper.cpp b/tests/file_helper.cpp
index 62997e3e..6c8ee79f 100644
--- a/tests/file_helper.cpp
+++ b/tests/file_helper.cpp
@@ -145,5 +145,19 @@ TEST_CASE("file_helper_split_by_extenstion7", "[file_helper::split_by_extenstion
 }
 
 
+TEST_CASE("file_helper_split_by_extenstion8", "[file_helper::split_by_extenstion(hidden_file)]]")
+{
+#ifdef _WIN32
+    auto filename = "folder.ext\\mylog";
+    auto expected_basename = "folder.ext\\mylog";
+#else
+    auto filename = "folder.ext/mylog";
+    auto expected_basename = "folder.ext/mylog";
+#endif
+    std::string basename, ext;
+    std::tie(basename, ext) = file_helper::split_by_extenstion(filename);
+    REQUIRE(basename == expected_basename);
+    REQUIRE(ext == "");
+}