diff --git a/include/spdlog/tweakme.h b/include/spdlog/tweakme.h
index d1b63c06..4a8a8490 100644
--- a/include/spdlog/tweakme.h
+++ b/include/spdlog/tweakme.h
@@ -77,7 +77,7 @@
 ///////////////////////////////////////////////////////////////////////////////
 // Uncomment to enable usage of wchar_t for file names on Windows.
 //
-// #define SPDLOG_WCHAR_FILENAMES
+#define SPDLOG_WCHAR_FILENAMES
 ///////////////////////////////////////////////////////////////////////////////