diff --git a/TeamFortressClassic/tfcserver b/TeamFortressClassic/tfcserver
index d1ee8b4c3..82f4583ff 100644
--- a/TeamFortressClassic/tfcserver
+++ b/TeamFortressClassic/tfcserver
@@ -46,7 +46,7 @@ githubbranch="master"
 
 # Steam
 appid="90"
-appidmos="tfc"
+appidmod="tfc"
 
 # Server Details
 servicename="tfc-server"