diff --git a/src/Sourcefile b/src/Sourcefile
index 60ee5db5baf16fe20657c93e5143afe60615bc89..744d735c1156151a8574173d9b5eb788aa6c006e 100644
--- a/src/Sourcefile
+++ b/src/Sourcefile
@@ -98,3 +98,4 @@ lua_hudlib.c
 lua_hudlib_drawlist.c
 lua_inputlib.c
 lua_colorlib.c
+k_brightmap.c