diff --git a/scripts/install b/scripts/install
index 917b4ec..5c2012e 100644
--- a/scripts/install
+++ b/scripts/install
@@ -142,7 +142,7 @@ ynh_replace_string "__ARCHDIR__" "$arch_dir" "$final_path/script/lutim"
 
 # Making log symbolic link to /var/log
 touch /var/log/$app/production.log
-chown $app: -R /var/log/$app
+chown $app -R /var/log/$app
 ln -s /var/log/$app/production.log "$final_path/log/production.log"
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 176e1b9..b8fa25f 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -104,7 +104,7 @@ ynh_restore_file "/etc/cron.d/$app"
 # Making log symbolic link to /var/log
 mkdir -p /var/log/$app/
 touch /var/log/$app/production.log
-chown $app: -R /var/log/$app
+chown $app -R /var/log/$app
 
 #=================================================
 # RESTORE THE LOGROTATE CONFIGURATION
diff --git a/scripts/upgrade b/scripts/upgrade
index c1b2caf..2098c8d 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -135,8 +135,8 @@ chown -R $app: $final_path
 # SETUP LOGROTATE
 #=================================================
 
-ynh_use_logrotate
-chown $app: -R /var/log/$app
+ynh_use_logrotate --non-append
+chown $app -R /var/log/$app
 
 #=================================================
 # SETUP SSOWAT