diff --git a/src/compiler/CodeGen.cpp b/src/compiler/CodeGen.cpp
index 37e1467..35db285 100644
--- a/src/compiler/CodeGen.cpp
+++ b/src/compiler/CodeGen.cpp
@@ -1,6 +1,5 @@
 #include <iostream>
 #include <libgen.h>
-#include <functional>
 #include <limits.h>
 #include <unistd.h>
 #include <iterator>
diff --git a/src/compiler/CodeGen.hpp b/src/compiler/CodeGen.hpp
index de4e138..f32e0eb 100644
--- a/src/compiler/CodeGen.hpp
+++ b/src/compiler/CodeGen.hpp
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <memory>
+#include <functional>
 #include "../parser/ast/ASTNode.hpp"
 #include "../parser/ast/BinaryOperationNode.hpp"
 #include "../parser/ast/UnaryOperationNode.hpp"