--- a/src/main.c
+++ b/src/main.c
@@ -20,7 +20,7 @@
 #include <string.h>
 
 /* socket is used to keep single instance */
-#include <sys/types.h>
+#include <sys/sysmacros.h>
 #include <sys/socket.h>
 #include <sys/un.h>