diff --git a/modules/base/header.lua b/modules/base/header.lua
index b15e3b1..45688c8 100644
--- a/modules/base/header.lua
+++ b/modules/base/header.lua
@@ -12,7 +12,10 @@ do -- so local works
  _G.cT,sbt,C,T,io = 0,{},coroutine,table,io -- currentTask,sandboxTable
  function _G.spawn(n,f,e)
   tT[nP] = {}
-  tT[nP].c = coroutine.create(f)
+  local function nf()
+   log(xpcall(f))
+  end
+  tT[nP].c = coroutine.create(nf)
   tT[nP].n = n
   tT[nP].p = cT or -1
   if tT[cT] then