diff --git a/wolfsburg/tt/tta1 b/wolfsburg/tt/tta1
index c12ea10fb..d6e269d60 100644
--- a/wolfsburg/tt/tta1
+++ b/wolfsburg/tt/tta1
@@ -7,9 +7,10 @@ height 38
 enter_x 1
 enter_y 18
 msg
-Modified: 2021-07-23 Daniel Hawkins
+Modified: 2022-07-16 Nicolas Weeger
 endmsg
 tile_path_2 ttb1
+reset_group wolfsburg_twin-towers
 end
 arch grass
 end
diff --git a/wolfsburg/tt/tta2 b/wolfsburg/tt/tta2
index cf6b0bcd8..e79c7983f 100644
--- a/wolfsburg/tt/tta2
+++ b/wolfsburg/tt/tta2
@@ -7,8 +7,9 @@ height 38
 enter_x 36
 enter_y 18
 msg
-Modified: 2010-07-24 Nicolas Weeger
+Modified: 2022-07-16 Nicolas Weeger
 endmsg
+reset_group wolfsburg_twin-towers
 end
 arch grass
 end
diff --git a/wolfsburg/tt/ttb1 b/wolfsburg/tt/ttb1
index d6e02e473..442e256d3 100644
--- a/wolfsburg/tt/ttb1
+++ b/wolfsburg/tt/ttb1
@@ -7,9 +7,10 @@ height 38
 enter_x 14
 enter_y 18
 msg
-Modified: 2013-07-28 Kevin Zheng
+Modified: 2022-07-16 Nicolas Weeger
 endmsg
 tile_path_4 tta1
+reset_group wolfsburg_twin-towers
 end
 arch grass
 end
diff --git a/wolfsburg/tt/ttb2 b/wolfsburg/tt/ttb2
index e53b208b2..078355122 100644
--- a/wolfsburg/tt/ttb2
+++ b/wolfsburg/tt/ttb2
@@ -7,8 +7,9 @@ height 38
 enter_x 44
 enter_y 18
 msg
-Modified: 2010-07-24 Nicolas Weeger
+Modified: 2022-07-16 Nicolas Weeger
 endmsg
+reset_group wolfsburg_twin-towers
 end
 arch grass
 end