diff --git a/cmd/kube-proxy/app/server_test.go b/cmd/kube-proxy/app/server_test.go
index 17ec2ce7640..0bd5350eef1 100644
--- a/cmd/kube-proxy/app/server_test.go
+++ b/cmd/kube-proxy/app/server_test.go
@@ -498,7 +498,7 @@ udpIdleTimeout: 250ms`)
 		}
 		opt.proxyServer = tc.proxyServer
 
-		errCh := make(chan error)
+		errCh := make(chan error, 1)
 		go func() {
 			errCh <- opt.runLoop()
 		}()