diff --git a/ltests.c b/ltests.c
index 7c9cce4d..f0fe854a 100644
--- a/ltests.c
+++ b/ltests.c
@@ -1,5 +1,5 @@
 /*
-** $Id: ltests.c,v 1.150 2002/12/20 10:26:33 roberto Exp roberto $
+** $Id: ltests.c,v 1.151 2003/01/29 10:27:53 roberto Exp roberto $
 ** Internal Module for Debugging of the Lua Implementation
 ** See Copyright Notice in lua.h
 */
@@ -828,6 +828,7 @@ int main (int argc, char *argv[]) {
   if (limit)
     memdebug_memlimit = strtoul(limit, NULL, 10);
   l_main(argc, argv);
+  return 0;
 }
 
 #endif