diff --git a/.golangci.yaml b/.golangci.yaml
index 04e974f..b3a7e24 100644
--- a/.golangci.yaml
+++ b/.golangci.yaml
@@ -24,7 +24,6 @@ linters:
     - goconst
     - gocritic
     - gofmt
-    - gomnd
     - gosec
     - misspell
     - nilerr
diff --git a/background.go b/background.go
index 25dcee2..01f19c6 100644
--- a/background.go
+++ b/background.go
@@ -98,12 +98,11 @@ func (m *Manager) Cancel() {
 // Close is a convenience method that calls Wait() and Cancel() in parallel. It blocks until all tasks have finished.
 func (m *Manager) Close() {
 	var wg sync.WaitGroup
-	wg.Add(1)
+	wg.Add(2)
 	go func() {
 		m.Wait()
 		wg.Done()
 	}()
-	wg.Add(1)
 	go func() {
 		m.Cancel()
 		wg.Done()