diff --git a/erb/v1/cpp03_zone.hpp.erb b/erb/v1/cpp03_zone.hpp.erb
index 88fe00d8..112a49e3 100644
--- a/erb/v1/cpp03_zone.hpp.erb
+++ b/erb/v1/cpp03_zone.hpp.erb
@@ -113,6 +113,7 @@ class zone {
                     ::free(c);
                     c = n;
                 } else {
+                    m_head = c;
                     break;
                 }
             }
diff --git a/include/msgpack/v1/detail/cpp03_zone.hpp b/include/msgpack/v1/detail/cpp03_zone.hpp
index d469482c..3e712de8 100644
--- a/include/msgpack/v1/detail/cpp03_zone.hpp
+++ b/include/msgpack/v1/detail/cpp03_zone.hpp
@@ -113,6 +113,7 @@ class zone {
                     ::free(c);
                     c = n;
                 } else {
+                    m_head = c;
                     break;
                 }
             }