diff --git a/include/trace/events/kyber.h b/include/trace/events/kyber.h
index a9834c37ac40..c0e7d24ca256 100644
--- a/include/trace/events/kyber.h
+++ b/include/trace/events/kyber.h
@@ -31,8 +31,8 @@ TRACE_EVENT(kyber_latency,
 
 	TP_fast_assign(
 		__entry->dev		= disk_devt(dev_to_disk(kobj_to_dev(q->kobj.parent)));
-		strlcpy(__entry->domain, domain, DOMAIN_LEN);
-		strlcpy(__entry->type, type, DOMAIN_LEN);
+		strlcpy(__entry->domain, domain, sizeof(__entry->domain));
+		strlcpy(__entry->type, type, sizeof(__entry->type));
 		__entry->percentile	= percentile;
 		__entry->numerator	= numerator;
 		__entry->denominator	= denominator;
@@ -60,7 +60,7 @@ TRACE_EVENT(kyber_adjust,
 
 	TP_fast_assign(
 		__entry->dev		= disk_devt(dev_to_disk(kobj_to_dev(q->kobj.parent)));
-		strlcpy(__entry->domain, domain, DOMAIN_LEN);
+		strlcpy(__entry->domain, domain, sizeof(__entry->domain));
 		__entry->depth		= depth;
 	),
 
@@ -82,7 +82,7 @@ TRACE_EVENT(kyber_throttled,
 
 	TP_fast_assign(
 		__entry->dev		= disk_devt(dev_to_disk(kobj_to_dev(q->kobj.parent)));
-		strlcpy(__entry->domain, domain, DOMAIN_LEN);
+		strlcpy(__entry->domain, domain, sizeof(__entry->domain));
 	),
 
 	TP_printk("%d,%d %s", MAJOR(__entry->dev), MINOR(__entry->dev),