diff --git a/code/qcommon/files.c b/code/qcommon/files.c
index d49c85b3..cce1eac5 100644
--- a/code/qcommon/files.c
+++ b/code/qcommon/files.c
@@ -309,8 +309,12 @@ FILE*		missingFiles = NULL;
 #endif
 
 /* C99 defines __func__ */
-#ifndef __func__
-#define __func__ "(unknown)"
+#if __STDC_VERSION__ < 199901L
+#  if __GNUC__ >= 2 || _MSC_VER >= 1300
+#    define __func__ __FUNCTION__
+#  else
+#    define __func__ "(unknown)"
+#  endif
 #endif
 
 /*