diff --git a/src/rehook/with-props-on-change.js b/src/rehook/with-props-on-change.js
index 246e123..dfcc700 100644
--- a/src/rehook/with-props-on-change.js
+++ b/src/rehook/with-props-on-change.js
@@ -22,7 +22,7 @@ const withPropsOnChange = (shouldMapOrKeys, createProps) => (props = {}) => {
 
   const keys = Array.isArray(shouldMapOrKeys)
     ? shouldMapOrKeys.map(key => props[key])
-    : shouldMapOrKeys(props, previousProps)
+    : shouldMapOrKeys(previousProps, props)
       ? undefined
       : []