diff --git a/src/libCom/Makefile b/src/libCom/Makefile
index 8ff29ff20..0ddf7dc61 100644
--- a/src/libCom/Makefile
+++ b/src/libCom/Makefile
@@ -178,9 +178,9 @@ INC += epicsTimer.h
 SRCS += epicsTimer.cpp
 SRCS += timer.cpp
 SRCS += timerQueue.cpp
-SRCS += timerQueueThreaded.cpp
-SRCS += timerQueueThreadedMgr.cpp
-SRCS += timerQueueNonThreaded.cpp
+SRCS += timerQueueActive.cpp
+SRCS += timerQueueActiveMgr.cpp
+SRCS += timerQueuePassive.cpp
 
 #tsDefs contains R3.13 compatibility tsStamp code
 SRC_DIRS += $(LIBCOM)/tsDefs