diff --git a/spec/webview-spec.js b/spec/webview-spec.js
index 8e4779d80992..3629c5ec2edb 100644
--- a/spec/webview-spec.js
+++ b/spec/webview-spec.js
@@ -75,6 +75,12 @@ describe('<webview> tag', function () {
       webview.src = 'file://' + fixtures + '/pages/a.html'
       document.body.appendChild(webview)
     })
+
+    it('ignores empty values', function () {
+      assert.equal(webview.src, '')
+      webview.src = ''
+      assert.equal(webview.src, '')
+    })
   })
 
   describe('nodeintegration attribute', function () {
@@ -198,6 +204,12 @@ describe('<webview> tag', function () {
       webview.src = 'file://' + fixtures + '/pages/base-page.html'
       document.body.appendChild(webview)
     })
+
+    it('ignores empty values', function () {
+      assert.equal(webview.preload, '')
+      webview.preload = ''
+      assert.equal(webview.preload, '')
+    })
   })
 
   describe('httpreferrer attribute', function () {