diff --git a/close_handler.go b/close_handler.go
index 98f7257..22d4471 100644
--- a/close_handler.go
+++ b/close_handler.go
@@ -1,11 +1,17 @@
 package grawt
 
+import (
+	"sync"
+)
+
 type CloseHandler struct {
 	waiter      *Waiter
 	Quit        chan struct{}
 	active      bool
 	autoDone    bool
+	wgDone      bool
 	handlerFunc *func()
+	mu          *sync.Mutex
 }
 
 func (ch *CloseHandler) Halt(err error) {
diff --git a/waiter.go b/waiter.go
index 230941b..3772189 100644
--- a/waiter.go
+++ b/waiter.go
@@ -22,7 +22,9 @@ func (w *Waiter) addHandler(f *func(), autoDone bool) *CloseHandler {
 		Quit:        make(chan struct{}, 1),
 		active:      true,
 		autoDone:    autoDone,
+		wgDone:      false,
 		handlerFunc: f,
+		mu:          &sync.Mutex{},
 	}
 
 	w.Lock()
@@ -34,18 +36,23 @@ func (w *Waiter) addHandler(f *func(), autoDone bool) *CloseHandler {
 }
 
 func (w *Waiter) terminateHandler(h *CloseHandler, forceWaitGroupDone bool) {
+	h.mu.Lock()
+	defer h.mu.Unlock()
 	if !h.active {
+		if !h.wgDone {
+			w.waitGroup.Done()
+		}
 		return
 	}
+
 	if h.handlerFunc != nil && *h.handlerFunc != nil {
 		(*h.handlerFunc)()
 	}
 
-	if h.active {
-		close(h.Quit)
-	}
+	close(h.Quit)
 	if h.autoDone || forceWaitGroupDone {
 		w.waitGroup.Done()
+		h.wgDone = true
 	}
 
 	h.active = false
@@ -87,6 +94,7 @@ func (w *Waiter) Wait() {
 	w.blockingMode = true
 	log.Info("Waiting...")
 	w.waitGroup.Wait()
+	log.Info("Terminated")
 }
 
 func (w *Waiter) onSignal(sig os.Signal) {