diff --git a/Classes/x-saherelm.x121.provider.class.mq5 b/Classes/x-saherelm.x121.provider.class.mq5
index 5d7f705c..3d26d465 100644
--- a/Classes/x-saherelm.x121.provider.class.mq5
+++ b/Classes/x-saherelm.x121.provider.class.mq5
@@ -2069,7 +2069,7 @@ public:
         int result = 0;
 
         //
-        Clean(signals);
+        Clean(supports);
 
         //
         // TODO: Implement Support Mechanism ...