diff --git a/site_ansto/Makefile b/site_ansto/Makefile
index e8276cbd..7f836a04 100644
--- a/site_ansto/Makefile
+++ b/site_ansto/Makefile
@@ -72,7 +72,8 @@ OBJ= site_ansto.o anstoutil.o\
         lakeshore340.o lakeshore340driv.o \
 		counterdriv.o\
         ../psi/tcpdocho.o ../psi/tcpdornier.o \
-        anstohttp.o
+        anstohttp.o \
+        hmcontrol_ansto.o
 
 all: ../matrix/libmatrix.a $(COREOBJ:%=../%) libansto.a libhardsup
 	$(CC) -g -o SICServer  $(COREOBJ:%=../%) $(SUBLIBS) $(PSI_SLIBS:%=../%) $(PSI_LIBS) $(GHTTP_LIBS)