diff --git a/admin/class-convertkit-mm-admin.php b/admin/class-convertkit-mm-admin.php
index 98ded31..2a5aa0c 100644
--- a/admin/class-convertkit-mm-admin.php
+++ b/admin/class-convertkit-mm-admin.php
@@ -582,7 +582,7 @@ public function display_settings_page() {
 						if ( ! $this->settings->has_access_and_refresh_token() ) {
 							// Determine the OAuth URL to begin the authorization process.
 							$api       = new ConvertKit_MM_API( CONVERTKIT_MM_OAUTH_CLIENT_ID, CONVERTKIT_MM_OAUTH_CLIENT_REDIRECT_URI );
-							$oauth_url = $api->get_oauth_url( admin_url( 'options-general.php?page=convertkit-mm' ) );
+							$oauth_url = $api->get_oauth_url( admin_url( 'options-general.php?page=convertkit-mm' ), get_site_url() );
 							?>
 							<p>
 								<a href="<?php echo esc_url( $oauth_url ); ?>" class="button button-primary"><?php esc_html_e( 'Connect', 'convertkit-mm' ); ?></a>
diff --git a/composer.json b/composer.json
index 221fb8c..0c9e490 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
     "type": "project",
     "license": "GPLv3",
     "require": {
-        "convertkit/convertkit-wordpress-libraries": "2.0.4"
+        "convertkit/convertkit-wordpress-libraries": "2.0.5"
     },
     "require-dev": {
         "lucatume/wp-browser": "<3.5",