diff --git a/packages/client/src/helpers/api.js b/packages/client/src/helpers/api.js
index d28db43a9ecd34dd4cfe6d9e9a8d72d7917bdbc5..3673dc6866e5dc3638de5457c15828bf9980af2e 100644
--- a/packages/client/src/helpers/api.js
+++ b/packages/client/src/helpers/api.js
@@ -5,7 +5,8 @@ import endpoint from './endpoint'
 import getToken from './token'
 
 const parse = response => {
-  if (response.headers.get('content-type').includes('application/json')) {
+  const contentType = response.headers.get('content-type')
+  if (contentType && contentType.includes('application/json')) {
     return response.json()
   }