diff --git a/lib/filesys.h b/lib/filesys.h
index 0b8cfdaa0d..dfdbf3d809 100755
--- a/lib/filesys.h
+++ b/lib/filesys.h
@@ -21,7 +21,7 @@
 using std::string;
 #ifdef HAVE_DIRENT_H
 #include <dirent.h>
-#define DIRREF DIR*
+typedef DIR *DIRREF;
 #endif
 #ifdef _WIN32
 #include <io.h>
@@ -30,7 +30,7 @@ struct DIR_DESC {
     bool first;
     void* handle;
 };
-#define DIRREF DIR_DESC*
+typedef DIR_DESC *DIRREF;
 #define PATH_SEPARATOR "\\"
 #else
 #define PATH_SEPARATOR "/"