diff --git a/exercises/partial_application_without_bind/solution/solution.js b/exercises/partial_application_without_bind/solution/solution.js
index 91befad..170652c 100644
--- a/exercises/partial_application_without_bind/solution/solution.js
+++ b/exercises/partial_application_without_bind/solution/solution.js
@@ -2,7 +2,7 @@ var slice = Array.prototype.slice
 
 function logger(namespace) {
   return function() {
-    console.log.apply(console, [namespace].concat(slice.call(arguments)))
+    console.log.apply(console, [namespace].concat(Array.prototype.slice.call(arguments)))
   }
 }