diff --git a/src/utils.cc b/src/utils.cc
index 832a6243..fa7f618d 100644
--- a/src/utils.cc
+++ b/src/utils.cc
@@ -19,9 +19,14 @@
 #include <sparsepp/spp_memory.h>
 #endif
 
-//#define _STRINGIFY(x) #x
-//#define ENSURE_STRING_MACRO_ARGUMENT(x) _STRINGIFY(x)
+// DEFAULT_RESOURCE_DIRECTORY is passed with quotes for non-MSVC compilers, ie,
+// foo vs "foo".
+#if defined(_MSC_VER )
+#define _STRINGIFY(x) #x
+#define ENSURE_STRING_MACRO_ARGUMENT(x) _STRINGIFY(x)
+#else
 #define ENSURE_STRING_MACRO_ARGUMENT(x) x
+#endif
 
 // See http://stackoverflow.com/a/217605
 void TrimStart(std::string& s) {