diff --git a/site_ansto/Makefile b/site_ansto/Makefile
index 51d68603..f7d812c9 100755
--- a/site_ansto/Makefile
+++ b/site_ansto/Makefile
@@ -169,8 +169,14 @@ config:
 xref: all
 	python xref.py $(SUBLIBS) $(GHTTP_LIBS)
 
-sct:
+sct1:
 	find . -name "*.sct" -exec python instrument/util/gen_sct.py {} \;
+sct2:
+	python instrument/util/gen_sct.py `find . -name "*.sct"`
+sct3:
+	find . -name "*.sct" | xargs python instrument/util/gen_sct.py
+
+sct: | sct2
 
 #TODO Add targets for other instruments
 echidna: all