diff --git a/sys/sparc64/pci/fire.c b/sys/sparc64/pci/fire.c
index ff47487c55a8..275526015254 100644
--- a/sys/sparc64/pci/fire.c
+++ b/sys/sparc64/pci/fire.c
@@ -1688,7 +1688,7 @@ static int
 fire_alloc_msix(device_t dev, device_t child, int *irq)
 {
 	struct fire_softc *sc;
-	u_int i, msiq;
+	int i, msiq;
 
 	sc = device_get_softc(dev);
 	if ((sc->sc_flags & FIRE_MSIX) == 0)