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-rw-r--r--advtrains/wagons.lua4
1 files changed, 2 insertions, 2 deletions
diff --git a/advtrains/wagons.lua b/advtrains/wagons.lua
index 381f835..12fd74e 100644
--- a/advtrains/wagons.lua
+++ b/advtrains/wagons.lua
@@ -927,8 +927,8 @@ function wagon:handle_bordcom_fields(pname, formname, fields)
local i=1
while train.lzb.oncoming[i] do
local oci = train.lzb.oncoming[i]
- if oci.pos then
- local sigd = advtrains.interlocking.db.get_sigd_for_signal(oci.pos)
+ if oci.udata and oci.udata.signal_pos then
+ local sigd = advtrains.interlocking.db.get_sigd_for_signal(oci.udata.signal_pos)
if sigd then
advtrains.interlocking.show_signalling_form(sigd, pname)
return