diff --git a/railgun/test/integration/controller_test.go b/railgun/test/integration/controller_test.go
index f0487ad3..07ef8aa2 100644
--- a/railgun/test/integration/controller_test.go
+++ b/railgun/test/integration/controller_test.go
@@ -57,3 +57,20 @@ func TestMetricsEndpoint(t *testing.T) {
 		return len(v) > 0
 	}, ingressWait, waitTick)
 }
+
+func TestProfilingEndpoint(t *testing.T) {
+	if useLegacyKIC() {
+		t.Skip("profiling endpoint behaves differently in legacy KIC")
+	}
+	_ = proxyReady()
+	assert.Eventually(t, func() bool {
+		profilingURL := fmt.Sprintf("http://localhost:%v/debug/pprof/", config.DiagnosticsPort)
+		resp, err := httpc.Get(profilingURL)
+		if err != nil {
+			t.Logf("WARNING: error while waiting for %s: %v", profilingURL, err)
+			return false
+		}
+		defer resp.Body.Close()
+		return resp.StatusCode == http.StatusOK
+	}, ingressWait, waitTick)
+}
diff --git a/railgun/test/integration/suite_test.go b/railgun/test/integration/suite_test.go
index b8baa59a..63b8c501 100644
--- a/railgun/test/integration/suite_test.go
+++ b/railgun/test/integration/suite_test.go
@@ -234,6 +234,7 @@ func deployControllers(ctx context.Context, ready chan ktfkind.ProxyReadinessEve
 				"--admission-webhook-listen=172.17.0.1:49023",
 				fmt.Sprintf("--admission-webhook-cert=%s", admissionWebhookCert),
 				fmt.Sprintf("--admission-webhook-key=%s", admissionWebhookKey),
+				"--profiling",
 			})
 			fmt.Fprintf(os.Stderr, "config: %+v\n", config)