diff --git a/library/decort_lb.py b/library/decort_lb.py
index aa2b0c9..39e419c 100644
--- a/library/decort_lb.py
+++ b/library/decort_lb.py
@@ -75,7 +75,7 @@ class decort_lb(DecortController):
 
         elif arg_amodule.params['account_id'] or arg_amodule.params['account_name'] != "":
             
-            if arg_amodule.params['rg_name']:
+            if not arg_amodule.params['rg_name']:
                 self.result['failed'] = True
                 self.result['msg'] = ("RG name must be specified with account present")
                 self.amodule.fail_json(**self.result)