diff --git a/client/coral-framework/services/client.js b/client/coral-framework/services/client.js
index b4a7a38df..01092f64b 100644
--- a/client/coral-framework/services/client.js
+++ b/client/coral-framework/services/client.js
@@ -6,7 +6,7 @@ export const client = new ApolloClient({
   queryTransformer: addTypename,
   dataIdFromObject: (result) => {
     if (result.id && result.__typename) { // eslint-disable-line no-underscore-dangle
-      return result.__typename + result.id; // eslint-disable-line no-underscore-dangle
+      return `${result.__typename}_${result.id}`; // eslint-disable-line no-underscore-dangle
     }
     return null;
   },