diff --git a/runner-wrapper.lua b/runner-wrapper.lua
index bcd8ba7..635ff75 100644
--- a/runner-wrapper.lua
+++ b/runner-wrapper.lua
@@ -222,8 +222,8 @@ return function(promise)
 
             local waiters = {}
             for i=1,#speciesSlice,1 do
+                local outputPipe = _M.poppets[i].output
                 local waiter = util.promiseWrap(function()
-                    local outputPipe = _M.poppets[i].output
                     local line = outputPipe:read("*l")
 
                     print("Started receiving output from child process "..i)
diff --git a/util.lua b/util.lua
index 8fd9fb3..822330d 100644
--- a/util.lua
+++ b/util.lua
@@ -12,9 +12,9 @@ _M.isWin = package.config:sub(1, 1) == '\\'
 --- Useful for decoupling code from the original event it was fired in.
 ---@param next function The function to resolve on the next tick
 ---@return Promise Promise A promise that returns the value of the next function
-function _M.promiseWrap(next)
+function _M.promiseWrap(next, value)
     local promise = Promise.new()
-    promise:resolve()
+    promise:resolve(value)
     return promise:next(next)
 end