1 files changed, 4 insertions, 2 deletions
diff --git a/lib/data.h b/lib/data.h
index 6c2d580..0d599c4 100644
--- a/lib/data.h
+++ b/lib/data.h

@@ -203,7 +203,8 @@ namespace verbly {
              } else if (it->_group.elems.size() == 1)
              {
                bool truelogic = it->_notlogic != it->_group.elems.front()._notlogic;
-                *it = it->_group.elems.front();
+                filter<T> e = it->_group.elems.front();
+                *it = e;
                it->_notlogic = truelogic;
              }
            }
@@ -217,7 +218,8 @@ namespace verbly {
          if (_group.elems.size() == 1)
          {
            bool truelogic = _notlogic != _group.elems.front()._notlogic;
-            *this = _group.elems.front();
+            filter<T> e = _group.elems.front();
+            *this = e;
            _notlogic = truelogic;
          }
        }