diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6873321..8e69423 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -80,6 +80,11 @@
 - Fix an error with URL generation for authenticated requests.
 - Fix error handling for IdentityServer4 provider.
 
+## 1.0.31 - 2024-08-27
+
+### Fixed
+- Add conditional for Twitter `code_verifier` check to prevent errors when already supplied.
+
 ## 1.0.30 - 2024-08-09
 
 ### Fixed
diff --git a/src/providers/Twitter.php b/src/providers/Twitter.php
index 8db6f6d..92b031a 100644
--- a/src/providers/Twitter.php
+++ b/src/providers/Twitter.php
@@ -42,7 +42,9 @@ protected function getAuthorizationQuery(array $params): string
     protected function getAccessTokenRequest(array $params): RequestInterface
     {
         // Apply PKCE token
-        $params['code_verifier'] = Session::get('oauth2verifier');
+        if (!isset($params['code_verifier'])) {
+            $params['code_verifier'] = Session::get('oauth2verifier');
+        }
 
         return parent::getAccessTokenRequest($params);
     }