diff --git a/lib/content-types/only.js b/lib/content-types/only.js
index 53c07b6..153fb34 100644
--- a/lib/content-types/only.js
+++ b/lib/content-types/only.js
@@ -25,9 +25,7 @@ const only = (type, configuration) => {
       }
 
       // check if repeatable but not an array
-      if (attr.hasOwnProperty('repeatable') &&
-        typeof attr.repeatable === 'object' &&
-        !Array.isArray(config[attr.id])) {
+      if (attr.hasOwnProperty('repeatable') && typeof attr.repeatable === 'object' && !Array.isArray(config[attr.id])) {
         config[attr.id] = [config[attr.id]];
       }