diff --git a/src/vxWorks/db/Makefile b/src/vxWorks/db/Makefile
index 76e57b074..7b3c651eb 100644
--- a/src/vxWorks/db/Makefile
+++ b/src/vxWorks/db/Makefile
@@ -11,6 +11,7 @@ vxDb_SRCS += devLib.c
 vxDb_SRCS += devLibVxWorks.c
 vxDb_SRCS += tsSubr.c
 vxDb_SRCS += date.c
+vxDb_SRCS += drvTSinit.cpp
 
 LIBRARY_vxWorks = vxDb