diff --git a/frontend/packages/data-portal/app/graphql/common.ts b/frontend/packages/data-portal/app/graphql/common.ts
index 66e1ecb80..193c5a51b 100644
--- a/frontend/packages/data-portal/app/graphql/common.ts
+++ b/frontend/packages/data-portal/app/graphql/common.ts
@@ -276,7 +276,7 @@ export function getDatasetsFilter({
 /* eslint-disable @typescript-eslint/no-explicit-any, @typescript-eslint/no-unsafe-member-access, no-param-reassign, @typescript-eslint/no-unsafe-argument */
 // TODO(bchu): Delete this after migration.
 export function removeTypenames(object: any): void {
-  delete object?.__typename__
+  delete object?.__typename
 
   for (const [value] of Object.entries(object)) {
     if (typeof value === 'object' && !Array.isArray(value) && value !== null) {