diff --git a/includes/MslsAdmin.php b/includes/MslsAdmin.php
index 5120dfd0..4f9e6363 100644
--- a/includes/MslsAdmin.php
+++ b/includes/MslsAdmin.php
@@ -35,7 +35,7 @@ final class MslsAdmin extends MslsMain {
 	 *
 	 * @var int
 	 */
-	public const MAX_REFERENCE_USERS = 100;
+	public const MAX_REFERENCE_USERS = 200;
 
 	/**
 	 * @codeCoverageIgnore
diff --git a/tests/phpunit/TestMslsAdmin.php b/tests/phpunit/TestMslsAdmin.php
index bd410c78..fdf3dbd4 100644
--- a/tests/phpunit/TestMslsAdmin.php
+++ b/tests/phpunit/TestMslsAdmin.php
@@ -138,7 +138,10 @@ static function ( $errno, $errstr ) {
 
 		$this->expectException( \Exception::class );
 		$this->expectExceptionMessage(
-			'Multisite Language Switcher: Collection for reference user has been truncated because it exceeded the maximum of 100 users. Please, use the hook "msls_reference_users" to filter the result before!'
+		    sprintf(
+		        'Multisite Language Switcher: Collection for reference user has been truncated because it exceeded the maximum of %d users. Please, use the hook "msls_reference_users" to filter the result before!',
+		        MslsAdmin::MAX_REFERENCE_USERS
+		    )
 		);
 
 		$obj->reference_user();