diff --git a/CHANGELOG.md b/CHANGELOG.md
index 73a1343..c54ca77 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## To be released
+- Update `Fault` model to have `arguments` property. [#18](https://github.com/mobify/commercecloud-ocapi-client/pull/18)
+
 ## v0.1.7 (February 5, 2019)
 - Add relevant properties to `VariationAttributeValue` model and some others. [#15](https://github.com/mobify/commercecloud-ocapi-client/pull/15)
 
diff --git a/package-lock.json b/package-lock.json
index 11542fb..cdbc66c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "commercecloud-ocapi-client",
-  "version": "0.1.6",
+  "version": "0.1.7",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/src/models/Fault.js b/src/models/Fault.js
index 249f809..ad15f9e 100644
--- a/src/models/Fault.js
+++ b/src/models/Fault.js
@@ -41,6 +41,12 @@ export default class Fault {
         * @member {String} type
         */
         this.type = undefined
+
+        /**
+        * These are optional arguments returned with fault
+        * @member {Object} arguments
+        */
+        this.arguments = undefined
     }
 
     /**
@@ -62,6 +68,9 @@ export default class Fault {
             if (data.hasOwnProperty('type')) {
                 obj['type'] = ApiClient.convertToType(data['type'], 'String')
             }
+            if (data.hasOwnProperty('arguments')) {
+                obj['arguments'] = ApiClient.convertToType(data['arguments'], {String: Object})
+            }
         }
 
         return obj
diff --git a/test/api/StoresApi.spec.js b/test/api/StoresApi.spec.js
index d672ecf..87cde7a 100644
--- a/test/api/StoresApi.spec.js
+++ b/test/api/StoresApi.spec.js
@@ -75,6 +75,14 @@ describe('StoresApi', () => {
                     expect(store.constructor.name).to.be('Store')
                 })
         )
+
+        it('should throw Fault when calling getStoresByID with unknown store id', () => {
+            instance.getStoresByID('badstoreid')
+                .catch((fault) => {
+                    expect(fault.constructor.name).to.be('Fault')
+                    console.log('fault: ', fault)
+                })
+        })
     })
 
     describe('getStoresByIDs', () => {