diff --git a/src/faultMgr/c_program/dualsrv/Makefile b/src/faultMgr/c_program/dualsrv/Makefile
index 3464b74..54ee52a 100644
--- a/src/faultMgr/c_program/dualsrv/Makefile
+++ b/src/faultMgr/c_program/dualsrv/Makefile
@@ -39,6 +39,8 @@ PROGS=dualsrv
 OMC_OBJ  =	dualsrv.o dualsrv_debug.o dualsrv_func.o dualsrv_main.o
 OMC_OBJ.ES  =	dualsrv.o.ES dualsrv_debug.o.ES dualsrv_func.o.ES dualsrv_main.o.ES
 
+default:linuxES
+
 all:
 	@echo " **** Compiling $(PROGS) ****"
 	@echo "make clean    -- Delete the target files"