diff --git a/controller/predicates/is_request_sources_includes_whosonfirst.js b/controller/predicates/is_request_sources_includes_whosonfirst.js
index 0f43921b..fe3fcd8b 100644
--- a/controller/predicates/is_request_sources_includes_whosonfirst.js
+++ b/controller/predicates/is_request_sources_includes_whosonfirst.js
@@ -5,8 +5,7 @@ const stackTraceLine = require('../../helper/stackTraceLine');
 
 // returns true IFF 'whosonfirst' is included in the requested sources
 module.exports = (req, res) => {
-  const is_request_sources_includes_whosonfirst = _.includes(
-    _.get(req, 'clean.sources', []),
+  const is_request_sources_includes_whosonfirst = _.get(req, 'clean.sources', []).includes(
     'whosonfirst'
   );
   debugLog.push(req, () => ({