diff --git a/lua/metrostroi/sv_turbostroi_railnetwork.lua b/lua/metrostroi/sv_turbostroi_railnetwork.lua
index 1e17596..5bf51d4 100644
--- a/lua/metrostroi/sv_turbostroi_railnetwork.lua
+++ b/lua/metrostroi/sv_turbostroi_railnetwork.lua
@@ -14,13 +14,13 @@ print("[!] RailNetwork initialized!")
 local ffi = require("ffi")
 local OSName = "gmsv_turbostroi_"
 
-if jis.os == "Windows" then
+if jit.os == "Windows" then
 	OSName = OSName.."win"
 elseif jit.os == "Linux" then
 	OSName = OSName.."linux"
 end
 
-if jit.arch == "x86"
+if jit.arch == "x86" then
 	OSName = OSName.."32"
 else
 	OSName = OSName.."64"
diff --git a/lua/metrostroi/sv_turbostroi_v2.lua b/lua/metrostroi/sv_turbostroi_v2.lua
index 342bf8f..243cea4 100644
--- a/lua/metrostroi/sv_turbostroi_v2.lua
+++ b/lua/metrostroi/sv_turbostroi_v2.lua
@@ -217,13 +217,13 @@ thread_msg ThreadRecvMessage(void* p);
 
 local OSName = "gmsv_turbostroi_"
 
-if jis.os == "Windows" then
+if jit.os == "Windows" then
 	OSName = OSName.."win"
 elseif jit.os == "Linux" then
 	OSName = OSName.."linux"
 end
 
-if jit.arch == "x86"
+if jit.arch == "x86" then
 	OSName = OSName.."32"
 else
 	OSName = OSName.."64"