diff --git a/cmd/kube-apiserver/app/preflight/checks_test.go b/cmd/kube-apiserver/app/preflight/checks_test.go
index 71a59399cd1..da6ad0f3aca 100644
--- a/cmd/kube-apiserver/app/preflight/checks_test.go
+++ b/cmd/kube-apiserver/app/preflight/checks_test.go
@@ -31,7 +31,7 @@ func TestParseServerURIGood(t *testing.T) {
 
 	reference := "127.0.0.1:2379"
 	if host != reference {
-		t.Fatal("server uri was not parsed correctly")
+		t.Fatalf("server uri was not parsed correctly, host %s was invalid", host)
 	}
 }