diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
index 41c49631288a..35662d9c2c62 100644
--- a/include/linux/soundwire/sdw.h
+++ b/include/linux/soundwire/sdw.h
@@ -36,7 +36,7 @@ struct sdw_slave;
 #define SDW_FRAME_CTRL_BITS		48
 #define SDW_MAX_DEVICES			11
 
-#define SDW_VALID_PORT_RANGE(n)		(n <= 14 && n >= 1)
+#define SDW_VALID_PORT_RANGE(n)		((n) <= 14 && (n) >= 1)
 
 #define SDW_DAI_ID_RANGE_START		100
 #define SDW_DAI_ID_RANGE_END		200