diff --git a/docs/test.http b/docs/test.http
new file mode 100644
index 000000000..bd6c42b4a
--- /dev/null
+++ b/docs/test.http
@@ -0,0 +1,3 @@
+GET http://localhost:5000/route/v1/driving/120.5579925,31.2905084;120.5269224,31.3112249?steps=true HTTP/1.1
+
+-Werror=extra 
\ No newline at end of file
diff --git a/src/storage/io_config.cpp b/src/storage/io_config.cpp
index 82d8a914e..e27f8d9e0 100644
--- a/src/storage/io_config.cpp
+++ b/src/storage/io_config.cpp
@@ -15,7 +15,8 @@ bool IOConfig::IsValid() const
     bool success = true;
     for (auto &fileName : required_input_files)
     {
-        if (!boost::filesystem::is_regular_file({base_path.string() + fileName.string()}))
+        boost::system::error_code ec;
+        if (!boost::filesystem::is_regular_file({base_path.string() + fileName.string()},ec))
         {
             util::Log(logWARNING) << "Missing/Broken File: " << base_path.string()
                                   << fileName.string();