diff --git a/registry.libsonnet b/registry.libsonnet
index 0e82b0d..c0e1577 100644
--- a/registry.libsonnet
+++ b/registry.libsonnet
@@ -54,7 +54,7 @@ function(config)
           commands: [
             'set -e',
             'export REGISTRY=$${REGISTRY_DOMAIN}:$${REGISTRY_PORT}/',
-            '%(script)s $${REGISTRY} $${REGISTRY_PASSWORD}' % config,
+            '%(script)s $${REGISTRY} "$${REGISTRY_PASSWORD}"' % config,
           ],
         },
     ],