diff --git a/mptevents.c b/mptevents.c
index fb6b78e..82f8724 100644
--- a/mptevents.c
+++ b/mptevents.c
@@ -8,6 +8,7 @@
 #include <sys/epoll.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <sys/sysmacros.h>
 #include <fcntl.h>
 #include <getopt.h>
 #include <stdarg.h>