diff --git a/containers/jug/dev.hcl b/containers/jug/dev.hcl
index 6aa3de23..956f935e 100644
--- a/containers/jug/dev.hcl
+++ b/containers/jug/dev.hcl
@@ -50,6 +50,7 @@ target "default" {
     "id=mirrors,src=mirrors.yaml",
   ]
   args = {
+    ENV = ENV
     jobs = jobs
     DOCKER_REGISTRY = DOCKER_REGISTRY
     BUILDER_IMAGE = BUILDER_IMAGE