diff --git a/drivers/dahdi/voicebus/voicebus.c b/drivers/dahdi/voicebus/voicebus.c
index 63aba52..2848327 100644
--- a/drivers/dahdi/voicebus/voicebus.c
+++ b/drivers/dahdi/voicebus/voicebus.c
@@ -628,7 +628,7 @@ vb_reset_interface(struct voicebus *vb)
 	unsigned long timeout;
 	u32 reg;
 	u32 pci_access;
-	const u32 DEFAULT_PCI_ACCESS = 0xfffc0002;
+	const u32 DEFAULT_PCI_ACCESS = 0xffdc0002;
 	u8 cacheline_size;
 	BUG_ON(in_interrupt());