diff --git a/server/utils/requestsOfType.js b/server/utils/requestsOfType.js
index 5aac7b8c..43bfeb1d 100644
--- a/server/utils/requestsOfType.js
+++ b/server/utils/requestsOfType.js
@@ -4,7 +4,7 @@
   header does not match `type`
 */
 const requestsOfType = type => (req, res, next) => {
-  const hasContentType = req.get('content-type') !== null;
+  const hasContentType = req.get('content-type') !== undefined && req.get('content-type') !== null;
   const isCorrectType = req.is(type) === null || req.is(type) === type;
 
   if (hasContentType && !isCorrectType) {