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-rw-r--r--advtrains_line_automation/stoprail.lua5
1 files changed, 4 insertions, 1 deletions
diff --git a/advtrains_line_automation/stoprail.lua b/advtrains_line_automation/stoprail.lua
index ec4994b..0db474f 100644
--- a/advtrains_line_automation/stoprail.lua
+++ b/advtrains_line_automation/stoprail.lua
@@ -4,7 +4,10 @@
local function to_int(n)
--- Disallow floating-point numbers
- return math.floor(tonumber(n))
+ local k = tonumber(n)
+ if k then
+ return math.floor(k)
+ end
end
local function updatemeta(pos)