diff --git a/include/linux/mlx4/driver.h b/include/linux/mlx4/driver.h
index 95263a5705f4..4a78bdee4ed4 100644
--- a/include/linux/mlx4/driver.h
+++ b/include/linux/mlx4/driver.h
@@ -81,7 +81,7 @@ static inline void mlx4_u64_to_mac(u8 *addr, u64 mac)
 	int i;
 
 	for (i = ETH_ALEN; i > 0; i--) {
-		addr[i - 1] = mac && 0xFF;
+		addr[i - 1] = mac & 0xFF;
 		mac >>= 8;
 	}
 }