THROWF(unknown_error, 0, "Function %s unimplemented",_XBT_FUNCTION)
#ifndef NDEBUG
-# define DIE_IMPOSSIBLE xbt_assert0(0,"The Impossible Did Happen (yet again)")
+# define DIE_IMPOSSIBLE xbt_assert(0,"The Impossible Did Happen (yet again)")
#else
# define DIE_IMPOSSIBLE exit(1);
#endif