diff --git a/cmd/main_fakedns.go b/cmd/main_fakedns.go
index 2dae8bf..471901f 100644
--- a/cmd/main_fakedns.go
+++ b/cmd/main_fakedns.go
@@ -18,10 +18,10 @@ func init() {
 
 	addPostFlagsInitFn(func() {
 		if *args.EnableFakeDNS {
-			if f, err := fakedns.NewServer(*args.FakeIPRange, *args.FakeDNSHosts, *args.DNSCacheSize); err != nil {
+			var err error
+			fakeDNS, err = fakedns.NewServer(*args.FakeIPRange, *args.FakeDNSHosts, *args.DNSCacheSize)
+			if err != nil {
 				log.Fatalf("create fake dns server failed: %v", err)
-			} else {
-				fakeDNS = f
 			}
 
 			// Set fakeDNS variables