diff --git a/drivers/net/wireless/wavelan_cs.h b/drivers/net/wireless/wavelan_cs.h
index fabc63ee153c7c8de715dc51f212055f35de8efa..2e4bfe4147c6549a32e4c746f9edc3da2a16e081 100644
--- a/drivers/net/wireless/wavelan_cs.h
+++ b/drivers/net/wireless/wavelan_cs.h
@@ -309,7 +309,7 @@ struct mmw_t
 #define	MMW_EXT_ANT_INTERNAL	0x00	/* Internal antenna */
 #define	MMW_EXT_ANT_EXTERNAL	0x03	/* External antenna */
 #define	MMW_EXT_ANT_IQ_TEST	0x1C	/* IQ test pattern (set to 0) */
-};
+} __attribute__((packed));
 
 /* Size for structure checking (if padding is correct) */
 #define	MMW_SIZE	37