diff --git a/web/hooks/use-save-referral.ts b/web/hooks/use-save-referral.ts
index 788268b0..7772f9d2 100644
--- a/web/hooks/use-save-referral.ts
+++ b/web/hooks/use-save-referral.ts
@@ -18,10 +18,14 @@ export const useSaveReferral = (
       referrer?: string
     }
 
-    const actualReferrer = referrer || options?.defaultReferrer
+    const referrerOrDefault = referrer || options?.defaultReferrer
 
-    if (!user && router.isReady && actualReferrer) {
-      writeReferralInfo(actualReferrer, options?.contractId, options?.groupId)
+    if (!user && router.isReady && referrerOrDefault) {
+      writeReferralInfo(referrerOrDefault, {
+        contractId: options?.contractId,
+        overwriteReferralUsername: referrer,
+        groupId: options?.groupId,
+      })
     }
   }, [user, router, options])
 }
diff --git a/web/lib/firebase/users.ts b/web/lib/firebase/users.ts
index 4f618586..5e00affe 100644
--- a/web/lib/firebase/users.ts
+++ b/web/lib/firebase/users.ts
@@ -96,22 +96,25 @@ const CACHED_REFERRAL_GROUP_ID_KEY = 'CACHED_REFERRAL_GROUP_KEY'
 
 export function writeReferralInfo(
   defaultReferrerUsername: string,
-  contractId?: string,
-  referralUsername?: string,
-  groupId?: string
+  otherOptions?: {
+    contractId?: string
+    overwriteReferralUsername?: string
+    groupId?: string
+  }
 ) {
   const local = safeLocalStorage()
   const cachedReferralUser = local?.getItem(CACHED_REFERRAL_USERNAME_KEY)
+  const { contractId, overwriteReferralUsername, groupId } = otherOptions || {}
   // Write the first referral username we see.
   if (!cachedReferralUser)
     local?.setItem(
       CACHED_REFERRAL_USERNAME_KEY,
-      referralUsername || defaultReferrerUsername
+      overwriteReferralUsername || defaultReferrerUsername
     )
 
   // If an explicit referral query is passed, overwrite the cached referral username.
-  if (referralUsername)
-    local?.setItem(CACHED_REFERRAL_USERNAME_KEY, referralUsername)
+  if (overwriteReferralUsername)
+    local?.setItem(CACHED_REFERRAL_USERNAME_KEY, overwriteReferralUsername)
 
   // Always write the most recent explicit group invite query value
   if (groupId) local?.setItem(CACHED_REFERRAL_GROUP_ID_KEY, groupId)