diff --git a/gui/dialogs/atc-ai.xml b/gui/dialogs/atc-ai.xml
index 5f8f352c0..a501abbb9 100644
--- a/gui/dialogs/atc-ai.xml
+++ b/gui/dialogs/atc-ai.xml
@@ -31,26 +31,9 @@
left
- /sim/ai-traffic/enabled
+ /sim/traffic-manager/enabled
-
- hbox
-
-
- left
-
-
-
-
- left
- /sim/ai-traffic/level
- 1
- 2
- 3
-
-
-
diff --git a/gui/dialogs/scenario.xml b/gui/dialogs/scenario.xml
index b6c92c2af..cf2f97b71 100644
--- a/gui/dialogs/scenario.xml
+++ b/gui/dialogs/scenario.xml
@@ -54,6 +54,7 @@
enable-ai-traffic
/sim/traffic-manager/enabled
+ true
dialog-apply
enable-ai-traffic
diff --git a/preferences.xml b/preferences.xml
index c17381baf..0ecae3fcf 100644
--- a/preferences.xml
+++ b/preferences.xml
@@ -689,12 +689,13 @@ Started September 2000 by David Megginson, david@megginson.com
+
false
1
- true
+ true
true
false