diff --git a/packages/indexer-cli/src/__tests__/util.ts b/packages/indexer-cli/src/__tests__/util.ts
index 5a6c45217..210d26079 100644
--- a/packages/indexer-cli/src/__tests__/util.ts
+++ b/packages/indexer-cli/src/__tests__/util.ts
@@ -55,7 +55,8 @@ let sockets: Socket[] = []
 let metrics: Metrics
 
 const yamlObj = loadTestYamlConfig()
-const testNetworkSpecification = specification.NetworkSpecification.parse(yamlObj)
+const testNetworkSpecification: specification.NetworkSpecification =
+  specification.NetworkSpecification.parse(yamlObj)
 
 export const setupMultiNetworks = async () => {
   return await setup(true)