diff --git a/src/js/store/modules/collection/actions.js b/src/js/store/modules/collection/actions.js
index 8c716596a..624f1b45b 100644
--- a/src/js/store/modules/collection/actions.js
+++ b/src/js/store/modules/collection/actions.js
@@ -180,7 +180,7 @@ export const sendCollection = ( { commit }, { name, description, status, mapper
             name: name,
             description: description,
             status: status,
-            'exposer_map': mapper
+            exposer_map: mapper
         })
             .then( res => {
                 commit('setCollection', { name: name, description: description, status: status, mapper: mapper });
diff --git a/src/js/store/modules/fields/actions.js b/src/js/store/modules/fields/actions.js
index 779730f83..f09e4188d 100644
--- a/src/js/store/modules/fields/actions.js
+++ b/src/js/store/modules/fields/actions.js
@@ -145,11 +145,11 @@ export const fetchFieldMappers = ({commit}) => {
     });
 }
 
-export const updateFieldsMapperMetadata = ({ dispatch }, fieldsMapperMetadata, mapper) => {
+export const updateFieldsMapperMetadata = ({ dispatch }, {fieldsMapperMetadata, mapper}) => {
     return new Promise((resolve, reject) => {
         axios.tainacan.post('/field-mappers', {
                 fields_mappers: fieldsMapperMetadata,
-                "exposer_map": mapper
+                exposer_map: mapper
             }).then((res) => {
                 resolve(res.data);
             })