diff --git a/src/libtriton/ast/ast.cpp b/src/libtriton/ast/ast.cpp
index 37aa04ca1..9a1c72c98 100644
--- a/src/libtriton/ast/ast.cpp
+++ b/src/libtriton/ast/ast.cpp
@@ -3012,6 +3012,7 @@ namespace triton {
     ReferenceNode::ReferenceNode(const triton::engines::symbolic::SharedSymbolicExpression& expr)
       : AbstractNode(REFERENCE_NODE, expr->getAst()->getContext())
       , expr(expr) {
+        this->addChild(expr->getAst());
     }