diff --git a/src/lua/file_iterator.cpp b/src/lua/file_iterator.cpp
index 7f2929ba..8de1a923 100644
--- a/src/lua/file_iterator.cpp
+++ b/src/lua/file_iterator.cpp
@@ -28,6 +28,11 @@ FileIterator::FileIterator(std::string filepath)
   }
 }
 
+FileIterator::~FileIterator() {
+  auto lock = drivers::acquire_spi();
+  f_closedir(&dir_);
+}
+
 auto FileIterator::value() const -> const std::optional<FileEntry>& {
   return current_;
 }
diff --git a/src/lua/include/file_iterator.hpp b/src/lua/include/file_iterator.hpp
index 6fc58245..1632949e 100644
--- a/src/lua/include/file_iterator.hpp
+++ b/src/lua/include/file_iterator.hpp
@@ -25,6 +25,7 @@ struct FileEntry {
 class FileIterator {
  public:
   FileIterator(std::string filepath);
+  ~FileIterator();
 
   auto value() const -> const std::optional<FileEntry>&;
   auto next() -> void;