diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index e32c8ded181d..7973a75cac05 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -97,13 +97,13 @@ struct wm_adsp_system_config_xm_hdr {
 	__be32 wdma[8];
 	__be32 build_job_name[3];
 	__be32 build_job_number;
-};
+} __packed;
 
 struct wm_halo_system_config_xm_hdr {
 	__be32 halo_heartbeat;
 	__be32 build_job_name[3];
 	__be32 build_job_number;
-};
+} __packed;
 
 struct wm_adsp_alg_xm_struct {
 	__be32 magic;
@@ -114,13 +114,13 @@ struct wm_adsp_alg_xm_struct {
 	__be32 high_water_mark;
 	__be32 low_water_mark;
 	__be64 smoothed_power;
-};
+} __packed;
 
 struct wm_adsp_host_buf_coeff_v1 {
 	__be32 host_buf_ptr;		/* Host buffer pointer */
 	__be32 versions;		/* Version numbers */
 	__be32 name[4];			/* The buffer name */
-};
+} __packed;
 
 struct wm_adsp_buffer {
 	__be32 buf1_base;		/* Base addr of first buffer area */
@@ -141,7 +141,7 @@ struct wm_adsp_buffer {
 	__be32 min_free;		/* min free space since stream start */
 	__be32 blocks_written[2];	/* total blocks written (64 bit) */
 	__be32 words_written[2];	/* total words written (64 bit) */
-};
+} __packed;
 
 struct wm_adsp_compr;