diff --git a/bmc/image_handler.hpp b/bmc/image_handler.hpp
index a25a74a..c024ec9 100644
--- a/bmc/image_handler.hpp
+++ b/bmc/image_handler.hpp
@@ -1,7 +1,7 @@
 #pragma once
 
 #include <cstdint>
-#include <functional>
+#include <fstream>
 #include <memory>
 #include <string>
 #include <vector>