diff --git a/staging/src/k8s.io/cloud-provider/fake/fake.go b/staging/src/k8s.io/cloud-provider/fake/fake.go
index 6074591e8b8..a0ec6399729 100644
--- a/staging/src/k8s.io/cloud-provider/fake/fake.go
+++ b/staging/src/k8s.io/cloud-provider/fake/fake.go
@@ -106,11 +106,10 @@ type Route struct {
 }
 
 func (f *Cloud) addCall(desc string) {
-	f.addCallLock.Lock()
-	defer f.addCallLock.Unlock()
-
 	time.Sleep(f.RequestDelay)
 
+	f.addCallLock.Lock()
+	defer f.addCallLock.Unlock()
 	f.Calls = append(f.Calls, desc)
 }