From 7ca18454c4609d7c41d33136e739b3eb5d6d336a Mon Sep 17 00:00:00 2001
From: Luke Manley <lukemanley@gmail.com>
Date: Thu, 1 Sep 2022 21:30:29 -0400
Subject: [PATCH] minor cleanup

---
 pandas/_libs/join.pyx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pandas/_libs/join.pyx b/pandas/_libs/join.pyx
index cc7d863bf326c..e574aa10f6b57 100644
--- a/pandas/_libs/join.pyx
+++ b/pandas/_libs/join.pyx
@@ -298,7 +298,7 @@ def left_join_indexer_unique(
             indexer[i] = j
             i += 1
 
-        if left[i] == right[j]:
+        if left[i] == rval:
             indexer[i] = j
             i += 1
             while i < nleft - 1 and left[i] == rval: