diff --git a/layers/dns.go b/layers/dns.go
index 21b6de6e5..132f9f945 100644
--- a/layers/dns.go
+++ b/layers/dns.go
@@ -157,7 +157,7 @@ func (drc DNSResponseCode) String() string {
 	case DNSResponseCodeFormErr:
 		return "Format Error"
 	case DNSResponseCodeServFail:
-		return "Server Failure "
+		return "Server Failure"
 	case DNSResponseCodeNXDomain:
 		return "Non-Existent Domain"
 	case DNSResponseCodeNotImp: