diff --git a/luaa.h b/luaa.h
index 1ee99181..ead2514a 100644
--- a/luaa.h
+++ b/luaa.h
@@ -57,8 +57,10 @@ luaA_warn(lua_State *L, const char *fmt, ...)
     va_end(ap);
     fprintf(stderr, "\n");
 
+#if LUA_VERSION_NUM >= 502
     luaL_traceback(L, L, NULL, 2);
     fprintf(stderr, "%s\n", lua_tostring(L, -1));
+#endif
 }
 
 static inline int
@@ -66,8 +68,10 @@ luaA_typerror(lua_State *L, int narg, const char *tname)
 {
     const char *msg = lua_pushfstring(L, "%s expected, got %s",
                                       tname, luaL_typename(L, narg));
+#if LUA_VERSION_NUM >= 502
     luaL_traceback(L, L, NULL, 2);
     lua_concat(L, 2);
+#endif
     return luaL_argerror(L, narg, msg);
 }