diff --git a/include/stdarg.h b/include/stdarg.h
index 591048039..66377fa63 100644
--- a/include/stdarg.h
+++ b/include/stdarg.h
@@ -16,6 +16,7 @@ typedef unsigned char* va_list;
 
 #define va_start(ap, fix)      	ap = (va_list)&fix + *(((va_list)&fix)-1) - __fixargs__
 #define va_arg(ap,type)	       	((type)*(ap -= ((sizeof (type) + 1) & ~1)))
+#define va_copy(dest, src)	((dest)=(src))
 #define va_end(ap)
 
 /* This is only valid *before* the first call to va_arg. It will also work