diff --git a/lib/www/client/source/src/store/modules/api/actions.js b/lib/www/client/source/src/store/modules/api/actions.js
index 5bb0939..3025b0d 100644
--- a/lib/www/client/source/src/store/modules/api/actions.js
+++ b/lib/www/client/source/src/store/modules/api/actions.js
@@ -108,8 +108,8 @@ async function api ({state, getters, commit, dispatch}, [resource, init = {}, cb
       try {
         if (!res.bodyUsed) { // It may have been consumed by a callback
           const validFormats = [ "arrayBuffer", "blob", "formData", "json", "text" ];
-          if (init.format && validFormats.includes(init.format)) {
-            return await res[init.format]();
+          if (opts.format && validFormats.includes(opts.format)) {
+            return await res[opts.format]();
           } else {
             return await res.json();
           }