diff --git a/e107_handlers/user_handler.php b/e107_handlers/user_handler.php
index 934c0161d..8e004f86a 100644
--- a/e107_handlers/user_handler.php
+++ b/e107_handlers/user_handler.php
@@ -1419,7 +1419,7 @@ class e_user_provider
 	public static function getSupplementalFieldsOf($providerName)
 	{
 		$supplementalFields = [];
-		$className = "Hybridauth\Provider\\${providerName}";
+		$className = "Hybridauth\Provider\\$providerName";
 		try
 		{
 			$reflector = new ReflectionClass($className);