diff --git a/sys/kern/subr_bus.c b/sys/kern/subr_bus.c
index f06a4ad1fa8b..8d326180fbaf 100644
--- a/sys/kern/subr_bus.c
+++ b/sys/kern/subr_bus.c
@@ -2148,7 +2148,7 @@ bus_setup_intr(device_t dev, struct resource *r, int flags,
 		error = BUS_SETUP_INTR(dev->parent, dev, r, flags,
 		    handler, arg, cookiep);
 		if (error == 0) {
-			if (!(flags & INTR_MPSAFE))
+			if (!(flags & (INTR_MPSAFE | INTR_FAST)))
 				device_printf(dev, "[GIANT-LOCKED]\n");
 			if (bootverbose && (flags & INTR_MPSAFE))
 				device_printf(dev, "[MPSAFE]\n");