diff --git a/src/common/at_scope_exit.h b/src/common/at_scope_exit.h
new file mode 100644
index 000000000..7c622da01
--- /dev/null
+++ b/src/common/at_scope_exit.h
@@ -0,0 +1,27 @@
+/*
+   mkvmerge -- utility for splicing together matroska files
+   from component media subtypes
+
+   Distributed under the GPL
+   see the file COPYING for details
+   or visit http://www.gnu.org/copyleft/gpl.html
+
+   run code at scope exit
+
+   Written by Moritz Bunkus <moritz@bunkus.org>.
+*/
+
+#ifndef MTX_COMMON_AT_SCOPE_EXIT_H
+#define MTX_COMMON_AT_SCOPE_EXIT_H
+
+class at_scope_exit_c {
+private:
+  std::function<void()> m_code;
+public:
+  at_scope_exit_c(const std::function<void()> &code) : m_code(code) {}
+  ~at_scope_exit_c() {
+    m_code();
+  }
+};
+
+#endif  // MTX_COMMON_AT_SCOPE_EXIT_H