diff --git a/lib/libimhex/include/hex/helpers/fs.hpp b/lib/libimhex/include/hex/helpers/fs.hpp
index 5b373084e..00557d356 100644
--- a/lib/libimhex/include/hex/helpers/fs.hpp
+++ b/lib/libimhex/include/hex/helpers/fs.hpp
@@ -3,6 +3,7 @@
 #include <string>
 #include <vector>
 #include <filesystem>
+#include <functional>
 
 #include <nfd.hpp>
 
diff --git a/lib/libimhex/source/helpers/fs.cpp b/lib/libimhex/source/helpers/fs.cpp
index f26ce49f0..137ab03d5 100644
--- a/lib/libimhex/source/helpers/fs.cpp
+++ b/lib/libimhex/source/helpers/fs.cpp
@@ -1,3 +1,5 @@
+#include <hex/helpers/fs.hpp>
+
 #include <hex/api/content_registry.hpp>
 #include <hex/helpers/fs_macos.h>
 #include <hex/helpers/file.hpp>