diff --git a/sandbox/default.yaml b/sandbox/default.yaml
index d124f9c..c81ebb4 100644
--- a/sandbox/default.yaml
+++ b/sandbox/default.yaml
@@ -130,6 +130,7 @@ env:
   - OLLIE_ELEVATE_SOCKET
   - OLLIE_TOOLS_PATH
   - OLLIE_TRANSCRIPT_PATH
+  - OLLIE_UNAME
   - HOME
   - TMPDIR
   - PLAN9