diff --git a/drivers/iio/chemical/sps30.c b/drivers/iio/chemical/sps30.c
index c0845d892faa..0e466106becb 100644
--- a/drivers/iio/chemical/sps30.c
+++ b/drivers/iio/chemical/sps30.c
@@ -232,7 +232,7 @@ static irqreturn_t sps30_trigger_handler(int irq, void *p)
 	int ret;
 	struct {
 		s32 data[4]; /* PM1, PM2P5, PM4, PM10 */
-		s64 ts;
+		aligned_s64 ts;
 	} scan;
 
 	mutex_lock(&state->lock);