diff --git a/continuousintegration/docker/ctafrontend/cc7/opt/run/bin/ctaeos-mgm.sh b/continuousintegration/docker/ctafrontend/cc7/opt/run/bin/ctaeos-mgm.sh
index 70fceb91851f051b5027b129c722ff98d1c01277..bfbd5ff3afa4aa9c846861ecef466b646903f570 100755
--- a/continuousintegration/docker/ctafrontend/cc7/opt/run/bin/ctaeos-mgm.sh
+++ b/continuousintegration/docker/ctafrontend/cc7/opt/run/bin/ctaeos-mgm.sh
@@ -69,7 +69,10 @@ yes | cp -r /opt/ci/ctaeos/etc /
 
 eoshost=`hostname -f`
 
-EOS_INSTANCE=`hostname -s`
+# All our scripts are set to exclusively use ctaeos instance name:
+# notably the following directory: `/eos/ctaeos` is hardcoded almost everywhere
+#EOS_INSTANCE=`hostname -s`
+EOS_INSTANCE=ctaeos
 TAPE_FS_ID=65535
 CTA_BIN=/usr/bin/eoscta_stub
 CTA_XrdSecPROTOCOL=sss