diff --git a/spec/cordova/plugin/add.spec.js b/spec/cordova/plugin/add.spec.js
index 02092795a..ec96cf60f 100644
--- a/spec/cordova/plugin/add.spec.js
+++ b/spec/cordova/plugin/add.spec.js
@@ -145,7 +145,7 @@ describe('cordova/plugin/add', function () {
 
                 spyOn(fs, 'readFileSync').and.returnValue('file');
                 return add(projectRoot, hook_mock, { plugins: ['cordova-plugin-device'], cli_variables: cli_plugin_variables, save: 'true' }).then(function () {
-                    expect(fs.writeFileSync).toHaveBeenCalledWith(jasmine.any(String), JSON.stringify({ cordova: { plugins: { 'cordova-plugin-device': cli_plugin_variables } }, dependencies: {}, devDependencies: {} }, null, 2), 'utf8');
+                    expect(fs.writeFileSync).toHaveBeenCalledWith(jasmine.any(String), JSON.stringify({ cordova: { plugins: { 'cordova-plugin-device': cli_plugin_variables } }, dependencies: {}, devDependencies: {} }, null, 2) + '\n', 'utf8');
                 });
             });
             it('should overwrite plugin information in config.xml after a successful installation', function () {