diff --git a/files/lxd-databases.sh b/files/lxd-databases.sh
index 961b58f..c6582c1 100644
--- a/files/lxd-databases.sh
+++ b/files/lxd-databases.sh
@@ -3,10 +3,14 @@ set -euo pipefail
 
 cd /var/backups/databases
 for i in $(lxc list --format csv -c n); do
-  if lxc exec $i -- which mysql; then
-    lxc exec $i -- mysqldump --opt --all-databases --force --events --hex-blob | cat > ${i}.sql
+  if lxc exec "$i" -- which mysql>/dev/null; then
+    echo "Dumping $i"
+    lxc exec "$i" -- mysqldump --opt --all-databases --force --events --hex-blob | cat > "${i}.sql"
   fi
-  if lxc exec $i -- which psql; then
-    lxc exec $i -- sudo -u postgres pg_dumpall | cat > ${i}.sql
+  if lxc exec "$i" -- which psql >/dev/null; then
+    if lxc exec "$i" -- id postgres >/dev/null 2/&1; then
+      echo "Dumping $i"
+      lxc exec "$i" -- sudo -u postgres pg_dumpall | cat > "${i}.sql"
+    fi
   fi
 done