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 8744f0a602ed8ad36ee75dd6f847bef219e4cac1..90350f28bbd48713225d3f50a8160039956261b1 100755
--- a/continuousintegration/docker/ctafrontend/cc7/opt/run/bin/ctaeos-mgm.sh
+++ b/continuousintegration/docker/ctafrontend/cc7/opt/run/bin/ctaeos-mgm.sh
@@ -158,7 +158,7 @@ test -e /usr/lib64/libjemalloc.so.1 && export LD_PRELOAD=/usr/lib64/libjemalloc.
   # ACLs in EOS are evaluated when unix permissions are failing, hence the 555 unix permission.
   eos mkdir ${CTA_TEST_DIR}
   eos chmod 555 ${CTA_TEST_DIR}
-  eos attr set sys.acl=g:eosusers:rwx!d,g:powerusers:rwx+dp /eos/ctaeos/cta
+  eos attr set sys.acl=g:eosusers:rwx!d,u:poweruser1:rwx+dp /eos/ctaeos/cta
 
   eos attr set CTA_StorageClass=ctaStorageClass ${CTA_TEST_DIR}
     
diff --git a/continuousintegration/docker/ctafrontend/cc7/opt/run/bin/eos_configure_preprod.sh b/continuousintegration/docker/ctafrontend/cc7/opt/run/bin/eos_configure_preprod.sh
index c70c774f10235070bf1eff6936decf83e53883a3..f2c69027f06b822cd9e4dbf8f594b94f6fe0fa5c 100755
--- a/continuousintegration/docker/ctafrontend/cc7/opt/run/bin/eos_configure_preprod.sh
+++ b/continuousintegration/docker/ctafrontend/cc7/opt/run/bin/eos_configure_preprod.sh
@@ -8,7 +8,7 @@ chmod 755 /var/eos/wfe/bash/*
 
 eos mkdir ${PREPROD_DIR}
 eos chmod 555 ${PREPROD_DIR}
-eos attr set sys.acl=g:eosusers:rwx!d,g:powerusers:rwx+dp ${PREPROD_DIR}
+eos attr set sys.acl=g:eosusers:rwx!d,u:poweruser1:rwx+dp ${PREPROD_DIR}
 
 eos attr set CTA_StorageClass=ctaStorageClass ${PREPROD_DIR}