diff --git a/src/app/email_templates/buildMailHeaders.test.ts b/src/app/email_templates/buildMailHeaders.test.ts
index bc02dcc..e93cbdd 100644
--- a/src/app/email_templates/buildMailHeaders.test.ts
+++ b/src/app/email_templates/buildMailHeaders.test.ts
@@ -5,10 +5,10 @@ describe("buildMailHeaders", () => {
   it("includes X-SES-CONFIGURATION-SET when a configuration set is provided", () => {
     const headers = buildMailHeaders({
       fromAddress: "noreply@domna.homes",
-      sesConfigurationSet: "dev-ses-config",
+      sesConfigurationSet: "test-config-set",
     });
 
-    expect(headers["X-SES-CONFIGURATION-SET"]).toBe("dev-ses-config");
+    expect(headers["X-SES-CONFIGURATION-SET"]).toBe("test-config-set");
   });
 
   it("omits X-SES-CONFIGURATION-SET entirely when no configuration set is provided", () => {