diff --git a/packages/ui/src/app/pages/Proposals/ProposalPreview.stories.tsx b/packages/ui/src/app/pages/Proposals/ProposalPreview.stories.tsx
index 088e7f98ab..f7fc5515b1 100644
--- a/packages/ui/src/app/pages/Proposals/ProposalPreview.stories.tsx
+++ b/packages/ui/src/app/pages/Proposals/ProposalPreview.stories.tsx
@@ -153,10 +153,7 @@ export default {
                 title: PROPOSAL_DATA.title,
                 description: PROPOSAL_DATA.description,
                 status,
-                type:
-                  args.type === 'FundingRequestMultipleRecipientsProposalDetails'
-                    ? 'FundingRequestProposalDetails'
-                    : args.type,
+                type: args.type,
                 creator: args.isProposer ? alice : bob,
 
                 discussionThread: {
diff --git a/packages/ui/src/mocks/data/proposals.ts b/packages/ui/src/mocks/data/proposals.ts
index f693b749e0..af545621a3 100644
--- a/packages/ui/src/mocks/data/proposals.ts
+++ b/packages/ui/src/mocks/data/proposals.ts
@@ -90,10 +90,10 @@ const proposalDetails = {
   VetoProposalDetails: { proposal: { __typename: 'Proposal', id: '0', title: random.words(4) } },
 } as Record<string, RecursivePartial<ProposalWithDetailsFieldsFragment['details']>>
 
-export const proposalDetailsMap = mapValues(
-  proposalDetails,
-  (value, __typename) => Object.assign(value, { __typename }) as Partial<ProposalWithDetailsFieldsFragment['details']>
-)
+export const proposalDetailsMap = mapValues(proposalDetails, (value, key) => {
+  const __typename = key === 'FundingRequestMultipleRecipientsProposalDetails' ? 'FundingRequestProposalDetails' : key
+  return Object.assign(value, { __typename }) as Partial<ProposalWithDetailsFieldsFragment['details']>
+})
 
 export const proposalTypes = Object.keys(proposalDetailsMap) as ProposalDetailsType[]