diff --git a/Makefile b/Makefile
index 9b673b241dec18a0495da4bc5d8fb4db4194c686..b8a66202e6e3191f8785577d13b068b994a780c0 100644
--- a/Makefile
+++ b/Makefile
@@ -5,10 +5,10 @@ test:testsuite/test_rep.sh
 	@echo "all tests passed"
 
 test_y:
-	src/phybema.py --tools mash andi -- testdata/Yersinia/
+	src/phybema.py -o none --tools mash andi -- testdata/Yersinia/
 
 test_e:
-	src/phybema.py --tools mash andi -- testdata/E_coli/ 
+	src/phybema.py -o none --tools mash andi -- testdata/E_coli/
 
 clean:
 	@${RM} -r temp out
diff --git a/testsuite/test_rep.sh b/testsuite/test_rep.sh
index 3b7ffcbc37eb0b25e2f47391949df7027c5d91a6..9aee462e1dd9352c6326ec7e7c2e2b8af7bbab42 100755
--- a/testsuite/test_rep.sh
+++ b/testsuite/test_rep.sh
@@ -7,7 +7,7 @@ then
 fi
 
 subdir=$1
-src/phybema.py --tools mash andi dnadiff -- testdata/${subdir}/
+src/phybema.py -o none --tools mash andi dnadiff -- testdata/${subdir}/
 for prog in andi mash
 do
   for suffix in mat nh