diff --git a/tiny_gltf.h b/tiny_gltf.h
index 5ae87c0..9b318f2 100644
--- a/tiny_gltf.h
+++ b/tiny_gltf.h
@@ -2851,7 +2851,7 @@ bool FileExists(const std::string &abs_filename, void *) {
   }
 #else
 #ifdef _WIN32
-#if defined(_MSC_VER) || defined(__GLIBCXX__) || defined(_LIBCPP_VERSION)
+#if defined(_MSC_VER) || defined(_LIBCPP_VERSION)
 
   // First check if a file is a directory.
   DWORD result = GetFileAttributesW(UTF8ToWchar(abs_filename).c_str());
@@ -2867,6 +2867,11 @@ bool FileExists(const std::string &abs_filename, void *) {
   if (err != 0) {
     return false;
   }
+#elif defined(__GLIBCXX__)
+  FILE *fp = fopen(abs_filename.c_str(), "rb");
+  if (!fp) {
+    return false;
+  }
 #else
   // TODO: is_directory check
   FILE *fp = nullptr;