diff --git a/make/proj.mk b/make/proj.mk
index 27a5f12e..a09ed816 100644
--- a/make/proj.mk
+++ b/make/proj.mk
@@ -19,9 +19,9 @@ REQUIRED                     = inst/pre \
 		cfgfile gtopts \
 		lock sigsync shmem \
 		usrv uclnt statecheck msgfmt \
-		YMisc YError \
-		YThread YMutex YEvent YCbContr contr/Y2WayMap \
-		YTimeB YStopWatch YStopWatchList YStopWatchQueue YStopWatchThreadList \
+		YMisc jw::Error \
+		YThread jw::Mutex YEvent YCbContr contr/Y2WayMap \
+		jw::Time YStopWatch YStopWatchList YStopWatchQueue YStopWatchThreadList \
 		lib include bin \
 		inst/post