1 files changed, 1 insertions, 1 deletions

diff --git a/src/yuescript/ast.hpp b/src/yuescript/ast.hpp
index 162a82e..0636a74 100644
--- a/src/yuescript/ast.hpp
+++ b/src/yuescript/ast.hpp
@@ -238,9 +238,9 @@ public:
                         m_ptr = nullptr;
                 } else {
                         assert(accept(node));
+                        node->retain();
                         if (m_ptr) m_ptr->release();
                         m_ptr = node;
-                        node->retain();
                 }
         }