diff --git a/src/libCom/test/Makefile b/src/libCom/test/Makefile
index cdbb72ec7..c88c9f2ce 100644
--- a/src/libCom/test/Makefile
+++ b/src/libCom/test/Makefile
@@ -24,6 +24,10 @@ timerTestHost_SRCS += timerTestMain.c timerTest.c
 PROD += timerTestHost
 OBJS_IOC += timerTest
 
+epicsTimerTestHost_SRCS += epicsTimerTestMain.cpp epicsTimerTest.cpp
+PROD += epicsTimerTestHost
+OBJS_IOC += epicsTimerTest
+
 ringPointerTestHost_SRCS += ringPointerTestMain.c ringPointerTest.c
 PROD += ringPointerTestHost
 OBJS_IOC += ringPointerTest