diff --git a/packages/insomnia-url/src/__tests__/protocol.test.js b/packages/insomnia-url/src/__tests__/protocol.test.js
index 8ade52e69d..7b871e5c85 100644
--- a/packages/insomnia-url/src/__tests__/protocol.test.js
+++ b/packages/insomnia-url/src/__tests__/protocol.test.js
@@ -11,6 +11,11 @@ describe('setDefaultProtocol()', () => {
     expect(url).toBe('http://google.com');
   });
 
+  it('correctly sets protocol for padded domain', () => {
+    const url = setDefaultProtocol('   google.com   ');
+    expect(url).toBe('http://google.com');
+  });
+
   it('does not set for valid url', () => {
     const url = setDefaultProtocol('https://google.com');
     expect(url).toBe('https://google.com');
diff --git a/packages/insomnia-url/src/protocol.js b/packages/insomnia-url/src/protocol.js
index dece4f7fff..1576382816 100644
--- a/packages/insomnia-url/src/protocol.js
+++ b/packages/insomnia-url/src/protocol.js
@@ -5,17 +5,18 @@
  * @returns {string}
  */
 module.exports.setDefaultProtocol = function(url, defaultProto) {
+  const trimmedUrl = url.trim();
   defaultProto = defaultProto || 'http:';
 
   // If no url, don't bother returning anything
-  if (!url) {
+  if (!trimmedUrl) {
     return '';
   }
 
   // Default the proto if it doesn't exist
-  if (url.indexOf('://') === -1) {
-    url = `${defaultProto}//${url}`;
+  if (trimmedUrl.indexOf('://') === -1) {
+    return `${defaultProto}//${trimmedUrl}`;
   }
 
-  return url;
+  return trimmedUrl;
 };