diff --git a/Libraries/LibJS/Runtime/Value.h b/Libraries/LibJS/Runtime/Value.h
index ada26761c6..f54135ab8a 100644
--- a/Libraries/LibJS/Runtime/Value.h
+++ b/Libraries/LibJS/Runtime/Value.h
@@ -52,6 +52,11 @@ public:
     bool is_boolean() const { return m_type == Type::Boolean; }
     bool is_cell() const { return is_string() || is_object(); }
 
+    Value()
+        : m_type(Type::Undefined)
+    {
+    }
+
     explicit Value(bool value)
         : m_type(Type::Boolean)
     {