diff --git a/src/unix/fsevents.c b/src/unix/fsevents.c
index deeaa63d4..ec90d46a0 100644
--- a/src/unix/fsevents.c
+++ b/src/unix/fsevents.c
@@ -799,13 +799,14 @@ int uv__cf_loop_signal(uv_loop_t* loop,
 
   uv_mutex_lock(&loop->cf_mutex);
   QUEUE_INSERT_TAIL(&loop->cf_signals, &item->member);
-  uv_mutex_unlock(&loop->cf_mutex);
 
   state = loop->cf_state;
   assert(state != NULL);
   pCFRunLoopSourceSignal(state->signal_source);
   pCFRunLoopWakeUp(state->loop);
 
+  uv_mutex_unlock(&loop->cf_mutex);
+
   return 0;
 }