diff --git a/regressions/ck_swlock/validate/validate.c b/regressions/ck_swlock/validate/validate.c
index da94cac..bc2f496 100644
--- a/regressions/ck_swlock/validate/validate.c
+++ b/regressions/ck_swlock/validate/validate.c
@@ -328,7 +328,7 @@ thread_latch(void *arg)
 				ck_error("ERROR [RD:%d]: %u != 0\n", __LINE__, l);
 			}
 		}
-		ck_swlock_read_lock(&lock);
+		ck_swlock_read_unlock(&lock);
 	}
 
 	return (NULL);