diff --git a/README.md b/README.md
index 98b8261..0ea4e67 100644
--- a/README.md
+++ b/README.md
@@ -112,4 +112,6 @@ const jsonapiDeserialise = body => {
 This project is licensed under the MIT License - see the LICENSE file for details
 
 ## TODO
+- deserilize middleware
+- json schema definitions
 - Add in jsonapi ~= for httpPartialResponse
\ No newline at end of file
diff --git a/index.js b/index.js
index fbdd6e5..a8b6861 100644
--- a/index.js
+++ b/index.js
@@ -37,7 +37,7 @@ const request = (handler, next) => {
     Object.keys(handler.event.queryStringParameters)
       .filter(key => !disallowed.includes(key.split('[')[0]))
       .forEach(key => {
-        params[key] = handler.event.queryStringParameters[key]
+        params[key] = handler.event.queryStringParameters[key].split(',')
       })
 
     handler.event.queryStringParameters = params