diff --git a/run_tests b/run_tests
index ed797d6..4ab70da 100755
--- a/run_tests
+++ b/run_tests
@@ -7,7 +7,7 @@ source $VIRTUAL_ENV/bin/activate  || true
 if ! [ -t ~/.ssh/id_rsa ]; then
     ssh-keygen -t rsa -f ~/.ssh/id_rsa -P '' || exit 1
     cat ~/.ssh/id_rsa.pub  >> ~/.ssh/authorized_keys || exit 1
-    ssh -oStrictHostKeyChecking=accept-new localhost true || exit 1
+    ssh -oStrictHostKeyChecking=no localhost true || exit 1
 fi
 
 coverage run --source bin.zfs_autobackup -m unittest -v $@