diff --git a/chch/a102_2OG.json b/chch/a102_2OG.json
index 2492f30..3142bae 100644
--- a/chch/a102_2OG.json
+++ b/chch/a102_2OG.json
@@ -218,6 +218,12 @@
          "id":21,
          "name":"startGang",
          "opacity":1,
+         "properties":[
+                {
+                 "name":"startLayer",
+                 "type":"bool",
+                 "value":true
+                }],
          "type":"tilelayer",
          "visible":true,
          "width":59,
diff --git a/main.json b/main.json
index 76dba72..4cc4994 100644
--- a/main.json
+++ b/main.json
@@ -405,6 +405,12 @@
          "id":45,
          "name":"exitTunnelO",
          "opacity":1,
+         "properties":[
+                {
+                 "name":"startLayer",
+                 "type":"bool",
+                 "value":true
+                }],
          "type":"tilelayer",
          "visible":true,
          "width":89,