diff --git a/lib/libimhex/include/hex/pattern_language/ast/ast_node_type_decl.hpp b/lib/libimhex/include/hex/pattern_language/ast/ast_node_type_decl.hpp
index 35d4795f2..9922eddd8 100644
--- a/lib/libimhex/include/hex/pattern_language/ast/ast_node_type_decl.hpp
+++ b/lib/libimhex/include/hex/pattern_language/ast/ast_node_type_decl.hpp
@@ -8,15 +8,16 @@ namespace hex::pl {
     class ASTNodeTypeDecl : public ASTNode,
                             public Attributable {
     public:
-        ASTNodeTypeDecl(std::string name) : m_forwardDeclared(true), m_name(name) { }
+        ASTNodeTypeDecl(std::string name) : m_forwardDeclared(true), m_name(std::move(name)) { }
 
         ASTNodeTypeDecl(std::string name, std::shared_ptr<ASTNode> type, std::optional<std::endian> endian = std::nullopt)
             : ASTNode(), m_name(std::move(name)), m_type(std::move(type)), m_endian(endian) { }
 
         ASTNodeTypeDecl(const ASTNodeTypeDecl &other) : ASTNode(other), Attributable(other) {
-            this->m_name   = other.m_name;
-            this->m_type   = other.m_type;
-            this->m_endian = other.m_endian;
+            this->m_name            = other.m_name;
+            this->m_type            = other.m_type;
+            this->m_endian          = other.m_endian;
+            this->m_forwardDeclared = other.m_forwardDeclared;
         }
 
         [[nodiscard]] std::unique_ptr<ASTNode> clone() const override {