diff --git a/src/Platform/Hosted/extractFeatures.test.ts b/src/Platform/Hosted/extractFeatures.test.ts
index ac2e7afae..98fc8ebd7 100644
--- a/src/Platform/Hosted/extractFeatures.test.ts
+++ b/src/Platform/Hosted/extractFeatures.test.ts
@@ -31,7 +31,8 @@ describe("hasFlag", () => {
     expect(hasFlag(singleFlagValue, desiredFlag)).toBe(true);
     expect(hasFlag(multipleFlagValues, desiredFlag)).toBe(true);
     expect(hasFlag(differentFlagValue, desiredFlag)).toBe(false);
-    expect(hasFlag(multipleFlagValues, undefined)).toBe(false);
-    expect(hasFlag(undefined, desiredFlag)).toBe(false);
+    expect(hasFlag(multipleFlagValues, undefined as unknown as string)).toBe(false);
+    expect(hasFlag(undefined as unknown as string, desiredFlag)).toBe(false);
+    expect(hasFlag(undefined as unknown as string, undefined as unknown as string)).toBe(false);
   });
 });
diff --git a/src/Platform/Hosted/extractFeatures.ts b/src/Platform/Hosted/extractFeatures.ts
index 130991301..1313aa834 100644
--- a/src/Platform/Hosted/extractFeatures.ts
+++ b/src/Platform/Hosted/extractFeatures.ts
@@ -29,8 +29,8 @@ export type Features = {
   readonly pr?: string;
   readonly showMinRUSurvey: boolean;
   readonly ttl90Days: boolean;
-  readonly mongoProxyEndpoint: string;
-  readonly mongoProxyAPIs: string;
+  readonly mongoProxyEndpoint?: string;
+  readonly mongoProxyAPIs?: string;
   readonly notebooksTemporarilyDown: boolean;
 };