diff --git a/drivers/net/cxgb4/t4_hw.c b/drivers/net/cxgb4/t4_hw.c
index bb813d94aea8ef5ae11db63ce6ac795fd0a62c39..e97521c801ea6e4a90714bd2038d4c0610b8806a 100644
--- a/drivers/net/cxgb4/t4_hw.c
+++ b/drivers/net/cxgb4/t4_hw.c
@@ -2408,7 +2408,7 @@ int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox,
 		if (index < NEXACT_MAC)
 			ret++;
 		else if (hash)
-			*hash |= (1 << hash_mac_addr(addr[i]));
+			*hash |= (1ULL << hash_mac_addr(addr[i]));
 	}
 	return ret;
 }