diff --git a/asyncprocmonitor.nim b/asyncprocmonitor.nim
index 4eef7b9..64073f3 100644
--- a/asyncprocmonitor.nim
+++ b/asyncprocmonitor.nim
@@ -1,7 +1,7 @@
 # Monitor a client process and shutdown the current process, if the client
 # process is found to be dead
 
-import os, chronos, utils
+import os, chronos, utils, sugar
 
 when defined(posix):
   import posix_utils
@@ -12,11 +12,10 @@ type Callback* = proc() {.closure, gcsafe, raises: [].}
 when defined(windows):
   import winlean
 
-when defined(windows):
-  proc hookAsyncProcMonitor*(pid: int, cb: Callback) =
-    addProcess(pid, cb)
+  proc hookAsyncProcMonitor*(pid: int, cb: Callback) = discard
+    addProcess2(pid, (arg: pointer) => cb())
 
-when defined(posix):
+elif defined(posix):
   proc hookAsyncProcMonitor*(pid: int, cb: Callback) =
     var processExitCallbackCalled = false