diff --git a/lib/output/xml_alertaction_config_generator.rb b/lib/output/xml_alertaction_config_generator.rb
index 476b7f116..ce385abd8 100644
--- a/lib/output/xml_alertaction_config_generator.rb
+++ b/lib/output/xml_alertaction_config_generator.rb
@@ -78,7 +78,9 @@ class XmlAlertActionConfigGenerator
         @alert_actions = @alert_actions + get_web_alertactions(aa_conf, system.name, system.goals, $datastore['goal_flags'], system.hostname, auto_grader_hostname)
       end
       system.module_selections.each do |module_selection|
-        @alert_actions = @alert_actions + get_web_alertactions(aa_conf, module_selection.module_path_end, module_selection.goals, module_selection.received_inputs['goal_flags'], system.hostname, auto_grader_hostname)
+        if module_selection.goals and module_selection.received_inputs['goal_flags']
+          @alert_actions = @alert_actions + get_web_alertactions(aa_conf, module_selection.module_path_end, module_selection.goals, module_selection.received_inputs['goal_flags'], system.hostname, auto_grader_hostname)
+        end
       end
     end
   end