diff --git a/lib/commands/toolcontext.h b/lib/commands/toolcontext.h
index 0911b05f1..1a1785bfe 100644
--- a/lib/commands/toolcontext.h
+++ b/lib/commands/toolcontext.h
@@ -193,8 +193,8 @@ struct cmd_context {
 	unsigned run_by_dmeventd:1;		/* command is being run by dmeventd */
 	unsigned sysinit:1;			/* --sysinit is used */
 	unsigned check_devs_used:1;		/* check devs used by LVs */
-	unsigned print_device_id_not_found;	/* print devices file entries not found */
-	unsigned ignore_device_name_mismatch;   /* skip updating devices file names */
+	unsigned print_device_id_not_found:1;	/* print devices file entries not found */
+	unsigned ignore_device_name_mismatch:1; /* skip updating devices file names */
 
 	/*
 	 * Devices and filtering.