diff --git a/site_ansto/hardsup/makefile b/site_ansto/hardsup/makefile
index 1ee4416b..ec7a0584 100644
--- a/site_ansto/hardsup/makefile
+++ b/site_ansto/hardsup/makefile
@@ -8,7 +8,7 @@
 
 SRC    = .
 CC     = gcc
-CFLAGS = -g -DLINUX $(DFORTIFY) -I$(SRC) -I../.. 
+CFLAGS = -g -DLINUX $(DFORTIFY) -I$(SRC) -I../.. -Wall
 
 HOBJ=   serialsinq.o nhq200util.o itc4util.o lh45util.o lakeshore340util.o asynsrv_utility.o geterrno.o strjoin.o