From 8e246c48bf34c7d72a5aba8a279002da9a6db501 Mon Sep 17 00:00:00 2001
From: Yumin Xia <me@yumin-xia.com>
Date: Fri, 5 Apr 2024 12:21:59 -0700
Subject: [PATCH] fix: incorrect alias check brought from snarkjs.

---
 packages/contracts/contracts/base/SemaphoreVerifier.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/contracts/contracts/base/SemaphoreVerifier.sol b/packages/contracts/contracts/base/SemaphoreVerifier.sol
index a3793b037..beb31313f 100644
--- a/packages/contracts/contracts/base/SemaphoreVerifier.sol
+++ b/packages/contracts/contracts/base/SemaphoreVerifier.sol
@@ -241,7 +241,7 @@ contract SemaphoreVerifier {
 
         assembly {
             function checkField(v) {
-                if iszero(lt(v, q)) {
+                if iszero(lt(v, r)) {
                     mstore(0, 0)
                     return(0, 0x20)
                 }