diff --git a/fvt_controller.cc b/fvt_controller.cc
index c9329e4..6acb95b 100644
--- a/fvt_controller.cc
+++ b/fvt_controller.cc
@@ -15,12 +15,13 @@
 #include "config.h"
 #include "fvt_controller.h"
 
-#include <error.h>
 #include <fcntl.h>
 #include <math.h>
 #include <stdint.h>
 
 #include <atomic>
+#include <system_error>  // for std::system_error
+#include <cerrno>       // for errno
 #undef NDEBUG
 #include <cassert>
 #include <cstring>