diff --git a/src/lib/lwp/rwlock.c b/src/lib/lwp/rwlock.c
index 314a310d..7782f614 100644
--- a/src/lib/lwp/rwlock.c
+++ b/src/lib/lwp/rwlock.c
@@ -73,6 +73,7 @@ lwp_rwlock_destroy(struct lwp_rwlock *rwlock)
 {
     if (CANT_HAPPEN(rwlock->count))
 	return;
+    free(rwlock->name);
     free(rwlock);
 }