diff --git a/include/linux/firewire.h b/include/linux/firewire.h
index 9a3f5f9..b6d21d5 100644
--- a/include/linux/firewire.h
+++ b/include/linux/firewire.h
@@ -89,7 +89,7 @@
 	int current_tlabel;
 	u64 tlabel_mask;
 	struct list_head transaction_list;
-	unsigned long reset_jiffies;
+	u64 reset_jiffies;
 
 	u32 split_timeout_hi;
 	u32 split_timeout_lo;