diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 12e9ace0a50e0225b287c41f6bf814de4b5c4c73..1aa4a0d766ca7b1c1e47a3ceea752cd7752df2b3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -27,6 +27,4 @@ build-singularity:
     - singularity build $SINGULARITY_IMAGE Singularity
     - apt-get update -qy
     - apt-get install -qy lftp
-    - mkdir -p ~/.ssh/
-    - touch ~/.ssh/known_hosts
-    - lftp -d -u $KM3NET_SFTP_USER,$KM3NET_SFTP_PASSWORD sftp://$KM3NET_SFTP_HOST -e "set ssl:verify-certificate no; cd singularity/; put $SINGULARITY_IMAGE; bye"
+    - lftp -d -u $KM3NET_SFTP_USER,$KM3NET_SFTP_PASSWORD sftp://$KM3NET_SFTP_HOST -e "set sftp:auto-confirm yes; set ssl:verify-certificate no; cd singularity/; put $SINGULARITY_IMAGE; bye"