diff --git a/sys/dev/ciss/ciss.c b/sys/dev/ciss/ciss.c
index 5895d7f46431..24d96eb7d426 100644
--- a/sys/dev/ciss/ciss.c
+++ b/sys/dev/ciss/ciss.c
@@ -1868,7 +1868,7 @@ ciss_accept_media(struct ciss_softc *sc, struct ciss_ldrive *ld)
 
     ldrive = CISS_LUN_TO_TARGET(ld->cl_address.logical.lun);
 
-    debug(0, "bringing logical drive %d back online");
+    debug(0, "bringing logical drive %d back online", ldrive);
 
     /*
      * Build a CISS BMIC command to bring the drive back online.