diff --git a/src/db/Makefile b/src/db/Makefile
index 45d9f0748..ed898f7e3 100644
--- a/src/db/Makefile
+++ b/src/db/Makefile
@@ -58,6 +58,10 @@ LIBSRCS += dbCa.c
 LIBSRCS += initHooks.c 
 LIBSRCS += dbcar.c 
 LIBSRCS += cvtBpt.c 
+LIBSRCS += dbServiceIO.cpp
+LIBSRCS += dbChannelIO.cpp 
+LIBSRCS += dbPutNotifyIO.cpp 
+LIBSRCS += dbSubscriptionIO.cpp 
 
 OBJS_IOC += iocInit