diff --git a/src/containers/ManageListingsPage/ManageListingsPage.duck.js b/src/containers/ManageListingsPage/ManageListingsPage.duck.js
index 4591280b..b6d69e30 100644
--- a/src/containers/ManageListingsPage/ManageListingsPage.duck.js
+++ b/src/containers/ManageListingsPage/ManageListingsPage.duck.js
@@ -36,7 +36,7 @@ const resultIds = data => data.data.map(l => l.id);
 const merge = (state, apiResponse) => {
   return {
     ...state,
-    ownEntities: updatedEntities(state.ownEntities, apiResponse.data),
+    ownEntities: updatedEntities({ ...state.ownEntities }, apiResponse.data),
   };
 };
 
diff --git a/src/ducks/marketplaceData.duck.js b/src/ducks/marketplaceData.duck.js
index c00790ac..e15919e0 100644
--- a/src/ducks/marketplaceData.duck.js
+++ b/src/ducks/marketplaceData.duck.js
@@ -14,7 +14,7 @@ const initialState = {
 const merge = (state, apiResponse) => {
   return {
     ...state,
-    entities: updatedEntities(state.entities, apiResponse.data),
+    entities: updatedEntities({ ...state.entities }, apiResponse.data),
   };
 };