diff --git a/iolib.c b/iolib.c
index dd957638..9945d6b4 100644
--- a/iolib.c
+++ b/iolib.c
@@ -29,11 +29,7 @@ static void pushresult (int i)
     lua_pushuserdata(NULL);
   else {
     lua_pushnil();
-#ifndef OLD_ANSI
     lua_pushstring(strerror(errno));
-#else
-    lua_pushstring("O.S. unable to define the error");
-#endif
   }
 }
 
diff --git a/lualoc.h b/lualoc.h
index 37993a31..957b08a5 100644
--- a/lualoc.h
+++ b/lualoc.h
@@ -1,15 +1,17 @@
 /*
 ** lualoc.h
 ** TecCGraf - PUC-Rio
-** $Id: $
+** $Id: lualoc.h,v 1.1 1997/07/02 18:45:09 roberto Exp roberto $
 */
 
 #ifndef lualoc_h
 #define lualoc_h
 
+
 #ifndef OLD_ANSI
 #include <locale.h>
 #else
+
 #define	strcoll(a,b)	strcmp(a,b)
 #define setlocale(a,b)	0
 #define LC_ALL		0
@@ -18,6 +20,9 @@
 #define LC_MONETARY	0
 #define LC_NUMERIC	0
 #define LC_TIME		0
+
+#define strerror(e)	"O.S. is unable to define the error"
+
 #endif
 
 #endif