diff --git a/server/middleware/booleanCoerce.js b/server/middleware/booleanCoerce.js
index 3f3d73a6..5b083e71 100644
--- a/server/middleware/booleanCoerce.js
+++ b/server/middleware/booleanCoerce.js
@@ -2,7 +2,7 @@
 
 module.exports = key => {
   return (req, res, next) => {
-    const value = req.body[key];
+    const value = req.body && req.body[key];
 
     if (value && typeof value === 'string') {
       req.body[key] = value === 'true';