diff --git a/gui/dialogs/atc-ai.xml b/gui/dialogs/atc-ai.xml
index ec7771477..ec57f67c5 100755
--- a/gui/dialogs/atc-ai.xml
+++ b/gui/dialogs/atc-ai.xml
@@ -113,21 +113,21 @@
       </script>
     </binding>
    </checkbox>
-		
-		<checkbox>
+
+   <checkbox>
     <halign>left</halign>
     <label>Deck Lights</label>
-    <property>/ai/models/carrier/controls/elevators</property>
+    <property>/ai/models/carrier/controls/deck-lights</property>
     <binding>
       <command>dialog-apply</command>
     </binding>
     <binding>
       <command>nasal</command>
       <script>
-        var v = getprop("/ai/models/carrier/controls/elevators");
+        var v = getprop("/ai/models/carrier/controls/deck-lights");
         foreach (carrier; props.globals.getNode("/ai/models").getChildren("carrier")) {
-          carrier.getNode("controls/deck-lights",1).setBoolValue(v);
-        }
+        carrier.getNode("controls/deck-lights",1).setBoolValue(v);
+       }
       </script>
     </binding>
    </checkbox>