diff --git a/build/bakefiles/files.bkl b/build/bakefiles/files.bkl
index c2c9eae1de..93ae093520 100644
--- a/build/bakefiles/files.bkl
+++ b/build/bakefiles/files.bkl
@@ -255,6 +255,7 @@ IMPORTANT: please read docs/tech/tn0016.txt before modifying this file!
     src/common/selectdispatcher.cpp
     src/unix/appunix.cpp
     src/unix/evtloopunix.cpp
+    src/unix/timerunx.cpp
     src/os2/dir.cpp
     src/os2/mimetype.cpp
     src/os2/stdpaths.cpp
@@ -267,6 +268,7 @@ IMPORTANT: please read docs/tech/tn0016.txt before modifying this file!
 <set var="BASE_OS2_HDR" hints="files">
     wx/private/fdiodispatcher.h
     wx/private/selectdispatcher.h
+    wx/unix/app.h
     wx/os2/apptbase.h
     wx/os2/apptrait.h
     wx/unix/evtloop.h