diff --git a/sys/dev/ex/if_ex.c b/sys/dev/ex/if_ex.c
index 8de629337a09..2472301f78a9 100644
--- a/sys/dev/ex/if_ex.c
+++ b/sys/dev/ex/if_ex.c
@@ -363,7 +363,7 @@ int ex_attach(device_t dev)
 	}
 
 	error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
-			       exintr, (void *)unit, &ih);
+			       exintr, (void *)sc, &ih);
 
 	if (error) {
 		device_printf(dev, "bus_setup_intr() failed!\n");
diff --git a/sys/i386/isa/if_ex.c b/sys/i386/isa/if_ex.c
index 8de629337a09..2472301f78a9 100644
--- a/sys/i386/isa/if_ex.c
+++ b/sys/i386/isa/if_ex.c
@@ -363,7 +363,7 @@ int ex_attach(device_t dev)
 	}
 
 	error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
-			       exintr, (void *)unit, &ih);
+			       exintr, (void *)sc, &ih);
 
 	if (error) {
 		device_printf(dev, "bus_setup_intr() failed!\n");