Index: zug-0.1.1/zug/sequence.hpp
===================================================================
--- zug-0.1.1.orig/zug/sequence.hpp
+++ zug-0.1.1/zug/sequence.hpp
@@ -72,7 +72,7 @@ struct sequence_data
 
     sequence_data& operator=(sequence_data&& other)
     {
-        impl_ = std::move(other.impl);
+        impl_ = std::move(other.impl_);
         impl_.reductor.current(this);
     }