aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--advtrains/poconvert.lua2
1 files changed, 1 insertions, 1 deletions
diff --git a/advtrains/poconvert.lua b/advtrains/poconvert.lua
index 3075282..74f962e 100644
--- a/advtrains/poconvert.lua
+++ b/advtrains/poconvert.lua
@@ -13,7 +13,7 @@ do
local function replace_single(pfx, c)
local pl = #pfx
if pl % 2 == 0 then
- return pfx:sub(1, pl/2) .. c
+ return string.sub(pfx, 1, pl/2) .. c
end
return string.sub(pfx, 1, math.floor(pl/2)) .. (schartbl[c] or c)
end