diff --git a/apps/backend/src/app/api/latest/auth/oauth/authorize/[provider_id]/route.tsx b/apps/backend/src/app/api/latest/auth/oauth/authorize/[provider_id]/route.tsx
index aca1a9b49..460477d26 100644
--- a/apps/backend/src/app/api/latest/auth/oauth/authorize/[provider_id]/route.tsx
+++ b/apps/backend/src/app/api/latest/auth/oauth/authorize/[provider_id]/route.tsx
@@ -47,7 +47,7 @@ export const GET = createSmartRouteHandler({
       code_challenge: yupString().defined(),
       code_challenge_method: yupString().defined(),
       response_type: yupString().defined(),
-    }).defined(),
+    }).noUnknown(/* Allow unknown query params such as ttclid, other stuff that's being injected by browsers */ false).defined(),
   }),
   response: yupObject({
     // we never return as we always redirect