diff --git a/src/filename_isdir.cxx b/src/filename_isdir.cxx
index 302b17678..3c3b80bcd 100644
--- a/src/filename_isdir.cxx
+++ b/src/filename_isdir.cxx
@@ -1,5 +1,5 @@
 //
-// "$Id: filename_isdir.cxx,v 1.4.2.3 2000/06/06 15:25:20 mike Exp $"
+// "$Id: filename_isdir.cxx,v 1.4.2.4 2000/06/08 08:12:38 bill Exp $"
 //
 // Directory detection routines for the Fast Light Tool Kit (FLTK).
 //
@@ -31,10 +31,10 @@
 #include <string.h>
 
 int filename_isdir(const char* n) {
+  struct stat	s;
+#ifdef WIN32
   char		fn[1024];
   int		length;
-  struct stat	s;
-
   // This workaround brought to you by the fine folks at Microsoft!
   // (read lots of sarcasm in that...)
   strncpy(fn, n, sizeof(fn) - 1);
@@ -42,10 +42,11 @@ int filename_isdir(const char* n) {
   length = strlen(fn);
   if (length > 0 && (fn[length - 1] == '/' || fn[length - 1] == '\\'))
     fn[length - 1] = '\0'; // Strip trailing slash...
-
-  return !stat(fn, &s) && (s.st_mode&0170000)==0040000;
+  n = fn;
+#endif
+  return !stat(n, &s) && (s.st_mode&0170000)==0040000;
 }
 
 //
-// End of "$Id: filename_isdir.cxx,v 1.4.2.3 2000/06/06 15:25:20 mike Exp $".
+// End of "$Id: filename_isdir.cxx,v 1.4.2.4 2000/06/08 08:12:38 bill Exp $".
 //