diff --git a/packages/config/src/__tests__/SelfHostingComposeEnvironment.test.ts b/packages/config/src/__tests__/SelfHostingComposeEnvironment.test.ts
index d0c6a9cb8..5d69af69d 100644
--- a/packages/config/src/__tests__/SelfHostingComposeEnvironment.test.ts
+++ b/packages/config/src/__tests__/SelfHostingComposeEnvironment.test.ts
@@ -32,7 +32,7 @@ describe('the shipped compose stack wires every service it starts', () => {
 	});
 
 	test('the shared block sets the client-IP trust the merged services read', () => {
-		expect(sharedEnv).toContain('FLUXER_TRUST_CLIENT_IP_HEADER: "true"');
-		expect(sharedEnv).toContain('FLUXER_CLIENT_IP_HEADER_NAME: x-forwarded-for');
+		expect(sharedEnv).toContain('FLUXER_TRUST_CLIENT_IP_HEADER: "${FLUXER_TRUST_CLIENT_IP_HEADER:-true}"');
+		expect(sharedEnv).toContain('FLUXER_CLIENT_IP_HEADER_NAME: ${FLUXER_CLIENT_IP_HEADER_NAME:-x-forwarded-for}');
 	});
 });