diff --git a/src/constants.c b/src/constants.c
index ef8e3c61dd227655ae940bc1e08f27e341f7f30f..0f6c99124ef238ae2b89723d97ac77107ea8b756 100644
--- a/src/constants.c
+++ b/src/constants.c
@@ -2,7 +2,7 @@
 || This file is part of Pike. For copyright information see COPYRIGHT.
 || Pike is distributed under GPL, LGPL and MPL. See the file COPYING
 || for more information.
-|| $Id: constants.c,v 1.52 2004/04/22 20:49:33 nilsson Exp $
+|| $Id: constants.c,v 1.53 2004/05/18 10:01:48 vida Exp $
 */
 
 #include "global.h"
@@ -18,7 +18,7 @@
 #include "pike_security.h"
 #include "block_alloc.h"
 
-RCSID("$Id: constants.c,v 1.52 2004/04/22 20:49:33 nilsson Exp $");
+RCSID("$Id: constants.c,v 1.53 2004/05/18 10:01:48 vida Exp $");
 
 struct mapping *builtin_constants = 0;
 
@@ -162,7 +162,7 @@ PMOD_EXPORT struct callable *quick_add_efun(const char *name, ptrdiff_t name_len
   struct pike_type *t;
   struct callable *ret;
 
-#if PIKE_DEBUG
+#ifdef PIKE_DEBUG
   if(simple_mapping_string_lookup(builtin_constants, name))
     Pike_fatal("%s added as efun more than once.\n", name);
 #endif