diff --git a/include/ck_brlock.h b/include/ck_brlock.h
index 0adbaeb..a64be1f 100644
--- a/include/ck_brlock.h
+++ b/include/ck_brlock.h
@@ -193,7 +193,7 @@ ck_brlock_read_lock(struct ck_brlock *br, struct ck_brlock_reader *reader)
 		/* Serialize counter update with respect to writer snapshot. */
 		ck_pr_fence_memory();
 #else
-		ck_pr_store_uint(&readers->n_readers, 1);
+		ck_pr_store_uint(&reader->n_readers, 1);
 
 		/* Loads can be re-ordered before previous stores, even on TSO. */
 		ck_pr_fence_strict_memory();