diff --git a/ext/crlib/cr-deque.h b/ext/crlib/cr-deque.h
index 60138fc..b483bad 100644
--- a/ext/crlib/cr-deque.h
+++ b/ext/crlib/cr-deque.h
@@ -173,7 +173,7 @@ public:
    }
 
    T popLast () {
-      auto last (back ());
+      auto last (last ());
       discardLast ();
 
       return last;