diff --git a/functions/src/create-notification.ts b/functions/src/create-notification.ts
index 6cc7631e..b0175a6a 100644
--- a/functions/src/create-notification.ts
+++ b/functions/src/create-notification.ts
@@ -16,7 +16,7 @@ import { getContractBetMetrics } from '../../common/calculate'
 import { removeUndefinedProps } from '../../common/util/object'
 import { TipTxn } from '../../common/txn'
 import { Group, GROUP_CHAT_SLUG } from '../../common/group'
-import { Challenge } from 'common/lib/challenge'
+import { Challenge } from '../../common/challenge'
 const firestore = admin.firestore()
 
 type user_to_reason_texts = {
diff --git a/web/components/challenges/create-challenge-button.tsx b/web/components/challenges/create-challenge-button.tsx
index d3490ff8..555de771 100644
--- a/web/components/challenges/create-challenge-button.tsx
+++ b/web/components/challenges/create-challenge-button.tsx
@@ -11,7 +11,7 @@ import { DuplicateIcon } from '@heroicons/react/outline'
 import { createChallenge, getChallengeUrl } from 'web/lib/firebase/challenges'
 import { Contract } from 'common/contract'
 import { CopyLinkButton } from 'web/components/copy-link-button'
-import { getOutcomeProbability } from 'common/lib/calculate'
+import { getOutcomeProbability } from 'common/calculate'
 import { SiteLink } from 'web/components/site-link'
 
 type challengeInfo = {