diff --git a/sdcclient/monitor/dashboard_converters/_dashboard_scope.py b/sdcclient/monitor/dashboard_converters/_dashboard_scope.py
index 5f1f1d78..fbd38b0c 100644
--- a/sdcclient/monitor/dashboard_converters/_dashboard_scope.py
+++ b/sdcclient/monitor/dashboard_converters/_dashboard_scope.py
@@ -32,7 +32,7 @@ def convert_scope_string_to_expression(scope = None):
             |  'in'
             ;
 
-        operand = /[\w\.]+/ ;
+        operand = /[[a-zA-Z0-9_-]\.]+/ ;
 
         multiple_value 
             =