1 files changed, 1 insertions, 1 deletions

diff --git a/include/opkele/iterator.h b/include/opkele/iterator.h
index 8f86234..94da7e4 100644
--- a/include/opkele/iterator.h
+++ b/include/opkele/iterator.h
@@ -104,5 +104,5 @@ namespace opkele {
 
                 forward_iterator_proxy& operator=(const forward_iterator_proxy<T,TR,TP>& x) {
-                    delete I; I = x.I->dup(); }
+                    delete I; I = x.I->dup(); return *this; }
 
                 bool operator==(const forward_iterator_proxy<T,TR,TP>& x) const {