diff --git a/pkg/ubuntu-18.04_amd64/DEBIAN/postinst b/pkg/ubuntu-18.04_amd64/DEBIAN/postinst
index d10527bec..00dee0e7f 100755
--- a/pkg/ubuntu-18.04_amd64/DEBIAN/postinst
+++ b/pkg/ubuntu-18.04_amd64/DEBIAN/postinst
@@ -28,7 +28,7 @@ db_key="$(openssl rand -base64 32)"
 
 # Setup DB
 # XXX: Remove || true and detect actual failures
-su postgres -c "psql -c 'CREATE ROLE ${db_user} WITH LOGIN PASSWORD ${db_password};' || true"
+su postgres -c "psql -c 'CREATE ROLE ${db_user} WITH LOGIN PASSWORD \"${db_password}\";' || true"
 su postgres -c "psql -c 'CREATE DATABASE cloudfire;' || true"
 su postgres -c "psql -c 'GRANT ALL PRIVILEGES ON DATABASE cloudfire to ${db_user};' || true"