diff --git a/src/eo_processing/utils/jobmanager.py b/src/eo_processing/utils/jobmanager.py
index 9e74897..4b75d89 100644
--- a/src/eo_processing/utils/jobmanager.py
+++ b/src/eo_processing/utils/jobmanager.py
@@ -502,6 +502,8 @@ def _launch_job(self, start_job, df, i, backend_name, stats: Optional[Dict] = No
                         # start job if not yet done by callback
                         try:
                             job_con = job.connection
+                            # Proactively refresh bearer token (because task in thread will not be able to do that)
+                            self._refresh_bearer_token(connection=job_con)
                             task = _JobStartTask(
                                 root_url=job_con.root_url,
                                 bearer_token=job_con.auth.bearer if isinstance(job_con.auth, BearerAuth) else None,