diff --git a/Lang/Hash.mqh b/Lang/Hash.mqh
index a334aaa..eb14fdc 100644
--- a/Lang/Hash.mqh
+++ b/Lang/Hash.mqh
@@ -203,6 +203,13 @@ int Hash(const char value)
 //+------------------------------------------------------------------+
 //| expand to int                                                    |
 //+------------------------------------------------------------------+
+int Hash(const bool value)
+  {
+   return (int)value;
+  }
+//+------------------------------------------------------------------+
+//| expand to int                                                    |
+//+------------------------------------------------------------------+
 int Hash(const uchar value)
   {
    return value;