diff --git a/cmd/opampsupervisor/testdata/supervisor/supervisor_agent_description.yaml b/cmd/opampsupervisor/testdata/supervisor/supervisor_agent_description.yaml
index d6854d99469d..be601485ee9b 100644
--- a/cmd/opampsupervisor/testdata/supervisor/supervisor_agent_description.yaml
+++ b/cmd/opampsupervisor/testdata/supervisor/supervisor_agent_description.yaml
@@ -11,6 +11,9 @@ capabilities:
   reports_remote_config: true
   accepts_restart_command: true
 
+storage:
+  directory: "{{.storage_dir}}"
+
 agent:
   executable: ../../bin/otelcontribcol_{{.goos}}_{{.goarch}}{{.extension}}
   description: