diff --git a/drivers/dahdi/voicebus/voicebus.c b/drivers/dahdi/voicebus/voicebus.c
index 0faa8f7..b88266d 100644
--- a/drivers/dahdi/voicebus/voicebus.c
+++ b/drivers/dahdi/voicebus/voicebus.c
@@ -636,7 +636,7 @@ 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 cache_line_size;
 	BUG_ON(in_interrupt());