diff --git a/packages/api-cardano-db-hasura/src/executableSchema.ts b/packages/api-cardano-db-hasura/src/executableSchema.ts
index cdddcfde..62d87ab6 100644
--- a/packages/api-cardano-db-hasura/src/executableSchema.ts
+++ b/packages/api-cardano-db-hasura/src/executableSchema.ts
@@ -40,7 +40,7 @@ export async function buildSchema (
 ) {
   const throwIfNotInCurrentEra = async (queryName: string) => {
     if (!(await hasuraClient.isInCurrentEra())) {
-      return new ApolloError(`${queryName} results are only available when close to the network tip. This is expected during the initial chain-sync.`)
+      throw new ApolloError(`${queryName} results are only available when close to the network tip. This is expected during the initial chain-sync.`)
     }
   }
   return makeExecutableSchema({