diff --git a/baker/MultiDimBaker.tsx b/baker/MultiDimBaker.tsx
index 3ae3f15a8f9..03b5c6fc0e8 100644
--- a/baker/MultiDimBaker.tsx
+++ b/baker/MultiDimBaker.tsx
@@ -42,7 +42,7 @@ import {
 const getGrapherConfigIdsByVariableIds = async (
     knex: db.KnexReadonlyTransaction,
     variableIds: number[]
-) => {
+): Promise<Record<number, string | null>> => {
     const rows = await getGrapherConfigIdsForVariables(knex, variableIds)
 
     return Object.fromEntries(
diff --git a/packages/@ourworldindata/types/src/siteTypes/MultiDimDataPage.ts b/packages/@ourworldindata/types/src/siteTypes/MultiDimDataPage.ts
index 163f6042d20..5ddfb472c50 100644
--- a/packages/@ourworldindata/types/src/siteTypes/MultiDimDataPage.ts
+++ b/packages/@ourworldindata/types/src/siteTypes/MultiDimDataPage.ts
@@ -83,7 +83,7 @@ export interface MultiDimDataPageProps {
     tagToSlugMap?: Record<string, string>
     faqEntries?: FaqEntryKeyedByGdocIdAndFragmentId
     primaryTopic?: PrimaryTopic | undefined
-    variableIdToGrapherConfigMap?: Record<number, string>
+    variableIdToGrapherConfigMap?: Record<number, string | null>
 
     initialQueryStr?: string
     canonicalUrl?: string