diff --git a/src/lib/commands/sail.c b/src/lib/commands/sail.c
index e9b8537f..5ab94d0c 100644
--- a/src/lib/commands/sail.c
+++ b/src/lib/commands/sail.c
@@ -127,7 +127,7 @@ cmd_sail_ship(struct nstr_item *nstr)
 	    return RET_FAIL;
 	if (!check_ship_ok(&ship))
 	    continue;
-	strncpy(ship.shp_path, cp, sizeof(ship.shp_path) - 2);
+	strncpy(ship.shp_path, cp, sizeof(ship.shp_path) - 1);
 	ship.shp_mission = 0;
 	putship(ship.shp_uid, &ship);
     }