diff --git a/config/etc/scodoc.service b/config/etc/scodoc.service
index 927420fc..89a63e13 100644
--- a/config/etc/scodoc.service
+++ b/config/etc/scodoc.service
@@ -5,9 +5,9 @@
 #
 [Unit]
 Description=ScoDoc 7 service
-After=network.target postgresql@11-main.service
-Requires=postgresql@11-main.service
-PartOf=postgresql@11-main.service
+After=network.target postgresql
+Requires=postgresql
+PartOf=postgresql
 StartLimitIntervalSec=0
 
 [Service]
@@ -21,4 +21,4 @@ ExecStop=/opt/scodoc/bin/zopectl stop
 ExecReload=/opt/scodoc/bin/zopectl restart
 
 [Install]
-WantedBy=postgresql@11-main.service
+WantedBy=postgresql
diff --git a/config/install_debian10.sh b/config/install_debian10.sh
index a7a6cd79..3494d793 100755
--- a/config/install_debian10.sh
+++ b/config/install_debian10.sh
@@ -32,11 +32,13 @@ fi
 chgrp www-data $SCODOC_DIR $SCODOC_DIR/ZopeProducts/*
 chmod g+w $SCODOC_DIR $SCODOC_DIR/ZopeProducts/*
 
-chgrp -R www-data "${SCODOC_VAR_DIR}"/photos
-chmod -R g+w "${SCODOC_VAR_DIR}"/photos
+if [ -d "${SCODOC_VAR_DIR}"/photos ]; then
+  chgrp -R www-data "${SCODOC_VAR_DIR}"/photos
+  chmod -R g+w "${SCODOC_VAR_DIR}"/photos
+fi
 
 if [ ! -e "${SCODOC_VERSION_DIR}" ]; then
-  mkdir "${SCODOC_VERSION_DIR}"
+  mkdir -p "${SCODOC_VERSION_DIR}"
   chown www-data.www-data "${SCODOC_VERSION_DIR}"
 fi
 
diff --git a/config/save_scodoc_data.sh b/config/save_scodoc_data.sh
index 389ed16c..24d876ae 100755
--- a/config/save_scodoc_data.sh
+++ b/config/save_scodoc_data.sh
@@ -51,7 +51,7 @@ then
 fi
 chown root "$DEST"
 
-# Zope DB and ScoDoc archives:
+# Zope DB, ScoDoc archives, configuration, photos, etc.
 echo "Copying var/ ..." 
 cp -rp "$INSTANCE_DIR/var" "$DEST"