diff --git a/seqs/matrix.sh b/seqs/matrix.sh
index 66b5645..c924431 100755
--- a/seqs/matrix.sh
+++ b/seqs/matrix.sh
@@ -201,9 +201,10 @@ step_22() {
   echo "   pg_restore -h localhost -p 5432 -U synapse -d new_db -v \"10.70.0.61.backup\""
   echo
   echo "Available postgresql databases:"
-  exe cd ~postgres && su -c "psql -c '\l'" - postgres
+  exe cd ~postgres
+  exe su postgres -c "psql -c '\l'"
   echo "Available postgresql user:"
-  exe cd ~postgres && su -c "psql -c '\du'" - postgres
+  exe su postgres -c "psql -c '\du'"
 }
 
 # Read postgres database information dbname/user/pass if empty