diff --git a/src/openeo_gfmap/manager/job_manager.py b/src/openeo_gfmap/manager/job_manager.py
index 9e5a5a6..9b76443 100644
--- a/src/openeo_gfmap/manager/job_manager.py
+++ b/src/openeo_gfmap/manager/job_manager.py
@@ -1,4 +1,5 @@
 import json
+from functools import partial
 from concurrent.futures import ThreadPoolExecutor
 from enum import Enum
 from pathlib import Path
@@ -142,11 +143,11 @@ def _resume_postjob_actions(self, df: pd.DataFrame):
             if row.status == "postprocessing":
                 _log.info(f"Resuming postprocessing of job {row.id}, queueing on_job_finished...")
                 future = self._executor.submit(self.on_job_done, job, row)
-                future.add_done_callback(done_callback(future, df, idx))
+                future.add_done_callback(partial(done_callback, df=df, idx=idx))
             else:
                 _log.info(f"Resuming postprocessing of job {row.id}, queueing on_job_error...")
                 future = self._executor.submit(self.on_job_error, job, row)
-                future.add_done_callback(done_callback(future, df, idx))
+                future.add_done_callback(partial(done_callback, df=df, idx=idx))
             self._futures.append(future)
 
     def _restart_failed_jobs(self, df: pd.DataFrame):
@@ -193,7 +194,7 @@ def _update_statuses(self, df: pd.DataFrame):
                 job_status = "postprocessing"
                 future = self._executor.submit(self.on_job_done, job, row)
                 # Future will setup the status to finished when the job is done
-                future.add_done_callback(lambda future: done_callback(future, df, idx))
+                future.add_done_callback(partial(done_callback, df=df, idx=idx))
                 self._futures.append(future)
                 df.loc[idx, "costs"] = job_metadata["costs"]
 
@@ -203,7 +204,7 @@ def _update_statuses(self, df: pd.DataFrame):
                 job_status = "postprocessing-error"
                 future = self._executor.submit(self.on_job_error, job, row)
                 # Future will setup the status to error when the job is done
-                future.add_done_callback(lambda future: done_callback(future, df, idx))
+                future.add_done_callback(partial(done_callback, df=df, idx=idx))
                 self._futures.append(future)
                 df.loc[idx, "costs"] = job_metadata["costs"]