diff --git a/ghost/magic-link/index.js b/ghost/magic-link/index.js
index 51fab89e85..c83359848d 100644
--- a/ghost/magic-link/index.js
+++ b/ghost/magic-link/index.js
@@ -53,7 +53,7 @@ class MagicLink {
         const token = await this.tokenProvider.create(options.tokenData);
 
         const type = options.type || 'signin';
-        const requestSrc = options.requestSrc;
+        const requestSrc = options.requestSrc || '';
 
         const url = this.getSigninURL(token, type, requestSrc);
 
diff --git a/ghost/magic-link/test/index.test.js b/ghost/magic-link/test/index.test.js
index dafd243b17..46c8c5848c 100644
--- a/ghost/magic-link/test/index.test.js
+++ b/ghost/magic-link/test/index.test.js
@@ -35,7 +35,7 @@ describe('MagicLink', function () {
             const {token} = await service.sendMagicLink(args);
 
             should.ok(options.getSigninURL.calledOnce);
-            should.ok(options.getSigninURL.firstCall.calledWithExactly(token, 'blazeit'));
+            should.ok(options.getSigninURL.firstCall.calledWithExactly(token, 'blazeit', ''));
 
             should.ok(options.getText.calledOnce);
             should.ok(options.getText.firstCall.calledWithExactly('FAKEURL', 'blazeit', 'test@example.com'));