diff --git a/setup.h_vms b/setup.h_vms
index 3e3fa1cb6e..2d9c4b0170 100644
--- a/setup.h_vms
+++ b/setup.h_vms
@@ -1316,7 +1316,7 @@ typedef pid_t GPid;
 #undef ICONV_CONST
 
 /* Define if you have the <langinfo.h> header file.  */
-#define HAVE_LANGINFO_H 1
+#undef HAVE_LANGINFO_H
 
 /* Define if you have the <esd.h> header file.  */
 /* #undef HAVE_ESD_H */