diff --git a/aos/controls/control_loop.cc b/aos/controls/control_loop.cc
new file mode 100644
index 0000000..17e5d7e
--- /dev/null
+++ b/aos/controls/control_loop.cc
@@ -0,0 +1,7 @@
+#include "aos/controls/control_loop.h"
+
+namespace aos {
+namespace controls {
+
+}  // namespace controls
+}  // namespace aos