diff --git a/programs/games/rforces/trunk/Tupfile.lua b/programs/games/rforces/trunk/Tupfile.lua
index d8bed8221d..ea6c5ca3b5 100644
--- a/programs/games/rforces/trunk/Tupfile.lua
+++ b/programs/games/rforces/trunk/Tupfile.lua
@@ -1,5 +1,5 @@
 if tup.getconfig("NO_FASM") ~= "" or tup.getconfig("NO_MSVC") ~= "" then return end
 HELPERDIR = (tup.getconfig("HELPERDIR") == "") and "../../.." or tup.getconfig("HELPERDIR")
 tup.include(HELPERDIR .. "/use_msvc.lua")
-compile_msvc{"forces.cpp", "kosFile.cpp", "kosSyst.cpp", "mcsmemm.cpp"}
+compile_msvc{"rforces.cpp", "kosFile.cpp", "kosSyst.cpp", "mcsmemm.cpp"}
 link_msvc("rforces")