diff --git a/src/headers/parsing/ParseComponents.hpp b/src/headers/parsing/ParseComponents.hpp
index 701be51..f20e7e6 100644
--- a/src/headers/parsing/ParseComponents.hpp
+++ b/src/headers/parsing/ParseComponents.hpp
@@ -52,6 +52,7 @@ class ParseTree {
     void addComponent(const T& component) const {
         subComponents.emplace_back(new T(component));
     }; IS_PARSECOMPONENT void addAllComponents(const initializer_list<T>& components) const {
+        subComponents.reserve(components.size());
         for (const T& comp: components) addComponent<T>(comp);
     }
 protected: