diff --git a/include/types/global.h b/include/types/global.h
index 133a98d..730cc64 100644
--- a/include/types/global.h
+++ b/include/types/global.h
@@ -42,6 +42,7 @@
 #define	MODE_VERBOSE	0x10
 #define	MODE_STARTING	0x20
 #define	MODE_FOREGROUND	0x40
+#define	MODE_SYSTEMD	0x80
 
 /* list of last checks to perform, depending on config options */
 #define LSTCHK_CAP_BIND	0x00000001	/* check that we can bind to any port */