diff --git a/XOM1EA/Classes/xom1ea.signaller.class.mq5 b/XOM1EA/Classes/xom1ea.signaller.class.mq5
index 65fb9279..62ab63ce 100644
--- a/XOM1EA/Classes/xom1ea.signaller.class.mq5
+++ b/XOM1EA/Classes/xom1ea.signaller.class.mq5
@@ -387,10 +387,14 @@ class XCXOM1SignallerBase
             if (has)
             {
                 //
-                has = iFast >= iLower &&
-                      iFast <= iUpper &&
-                      iSlow >= iLower &&
-                      iSlow <= iUpper;
+                double iZoneUpper = MathMax(iFibUpper, iFibLower);
+                double iZoneLower = MathMin(iFibUpper, iFibLower);
+
+                //
+                has = iFast >= iZoneLower &&
+                      iFast <= iZoneUpper &&
+                      iSlow >= iZoneLower &&
+                      iSlow <= iZoneUpper;
             }
 
             //