diff --git a/a3p-integration/proposals/z:acceptance/test-lib/rpc.js b/a3p-integration/proposals/z:acceptance/test-lib/rpc.js
index 955f1235477..2a25b534911 100644
--- a/a3p-integration/proposals/z:acceptance/test-lib/rpc.js
+++ b/a3p-integration/proposals/z:acceptance/test-lib/rpc.js
@@ -43,12 +43,12 @@ export { networkConfig };
  * @param {typeof window.fetch} powers.fetch
  * @param {MinimalNetworkConfig} config
  */
-export const makeVStorage = (powers, config = networkConfig) => {
+export const makeVStorage = ({ fetch }, config = networkConfig) => {
   /** @param {string} path */
   const getJSON = path => {
     const url = config.rpcAddrs[0] + path;
     // console.warn('fetching', url);
-    return powers.fetch(url, { keepalive: true }).then(res => res.json());
+    return fetch(url, { keepalive: true }).then(res => res.json());
   };
   // height=0 is the same as omitting height and implies the highest block
   const url = (path = 'published', { kind = 'children', height = 0 } = {}) =>
diff --git a/packages/client-utils/src/vstorage.js b/packages/client-utils/src/vstorage.js
index b8eec61330e..be365debf3d 100644
--- a/packages/client-utils/src/vstorage.js
+++ b/packages/client-utils/src/vstorage.js
@@ -9,12 +9,12 @@
  * @param {typeof window.fetch} powers.fetch
  * @param {MinimalNetworkConfig} config
  */
-export const makeVStorage = (powers, config) => {
+export const makeVStorage = ({ fetch }, config) => {
   /** @param {string} path */
   const getJSON = path => {
     const url = config.rpcAddrs[0] + path;
     // console.warn('fetching', url);
-    return powers.fetch(url, { keepalive: true }).then(res => res.json());
+    return fetch(url, { keepalive: true }).then(res => res.json());
   };
   // height=0 is the same as omitting height and implies the highest block
   const url = (path = 'published', { kind = 'children', height = 0 } = {}) =>