diff --git a/test/blackbox-tests/test-cases/workspaces/workspace-env/dune-workspace b/test/blackbox-tests/test-cases/workspaces/workspace-env/dune-workspace
index 30a26e35..53fa33c9 100644
--- a/test/blackbox-tests/test-cases/workspaces/workspace-env/dune-workspace
+++ b/test/blackbox-tests/test-cases/workspaces/workspace-env/dune-workspace
@@ -1,5 +1,9 @@
 (lang dune 1.0)
 
+(env
+ (default
+  (ocamlc_flags (:standard -verbose))))
+
 (context
  (default
   (env