diff --git a/nomad/cli/admin/uploads.py b/nomad/cli/admin/uploads.py
index 1d4fda87d2fb44115acc0764442cfea73965e9ab..0eb5186f8c38cfcf551f323711fbb050fcfa0ece 100644
--- a/nomad/cli/admin/uploads.py
+++ b/nomad/cli/admin/uploads.py
@@ -162,10 +162,9 @@ def reset(ctx, uploads, with_calcs):
 
     i = 0
     for upload in uploads:
-        if with_calcs:
-            for calc in proc.Calc.objects(upload_id=upload.upload_id):
-                calc.reset()
-                calc.save()
+        proc.Calc._get_collection().update_many(
+            dict(upload_id=upload.upload_id),
+            {'$set': proc.Calc.reset_pymongo_update()})
 
         upload.reset()
         upload.save()
diff --git a/nomad/processing/base.py b/nomad/processing/base.py
index aa73bc67d6426ae85a4b4ac2c4db21c602c5ee4b..35aecadbb9ac21fcfb11c4fbedb7243f2c3ce3a8 100644
--- a/nomad/processing/base.py
+++ b/nomad/processing/base.py
@@ -166,8 +166,8 @@ class Proc(Document, metaclass=ProcMetaclass):
         """ Returns True of an asynchrounous process is currently running. """
         return self.process_status is not None and self.process_status != PROCESS_COMPLETED
 
-    @staticmethod
-    def process_running_mongoengine_query():
+    @classmethod
+    def process_running_mongoengine_query(cls):
         """ Returns a mongoengine query dict (to be used in objects) to find running processes. """
         return dict(process_status__in=[PROCESS_CALLED, PROCESS_RUNNING])
 
@@ -203,8 +203,8 @@ class Proc(Document, metaclass=ProcMetaclass):
         self.warnings = []
         self.worker_hostname = worker_hostname
 
-    @staticmethod
-    def reset_pymongo_update(worker_hostname: str = None):
+    @classmethod
+    def reset_pymongo_update(cls, worker_hostname: str = None):
         """ Returns a pymongo update dict part to reset calculations. """
         return dict(
             current_task=None, tasks_status=PENDING, errors=[], warnings=[],
diff --git a/nomad/processing/data.py b/nomad/processing/data.py
index e3cc9d7fcfb497ffa7b3b04d0e6d468ce0724670..495a9ea57ae47f1cbbc349b0f26aac2090393f77 100644
--- a/nomad/processing/data.py
+++ b/nomad/processing/data.py
@@ -515,9 +515,10 @@ class Upload(Proc):
         logger = super().get_logger()
         user = self.uploader
         user_name = '%s %s' % (user.first_name, user.last_name)
+        # We are not using 'user_id' because logstash (?) will filter these entries ?!
         logger = logger.bind(
             upload_id=self.upload_id, upload_name=self.name, user_name=user_name,
-            user_id=user.user_id, **kwargs)
+            user=user.user_id, **kwargs)
         return logger
 
     @classmethod
@@ -536,8 +537,7 @@ class Upload(Proc):
 
         if 'upload_id' not in kwargs:
             kwargs.update(upload_id=utils.create_uuid())
-        # We are not using 'user_id' because logstash (?) will filter these entries ?!
-        kwargs.update(user=user.user_id)
+        kwargs.update(user_id=user.user_id)
         self = super().create(**kwargs)
 
         self._continue_with('uploading')
@@ -648,8 +648,6 @@ class Upload(Proc):
 
         logger = self.get_logger()
         logger.info('started to re-process')
-        logger.error('WHAAATTT')
-        raise Exception('break')
 
         # mock the steps of actual processing
         self._continue_with('uploading')
@@ -668,7 +666,7 @@ class Upload(Proc):
                 logger.warn('a process is already running on calc', calc_id=calc.calc_id)
 
             # reset all calcs
-            Calc._get_collection().update(
+            Calc._get_collection().update_many(
                 dict(upload_id=self.upload_id),
                 {'$set': Calc.reset_pymongo_update(worker_hostname=self.worker_hostname)})
 
@@ -886,6 +884,12 @@ class Upload(Proc):
         self.joined = False
         super().reset()
 
+    @classmethod
+    def reset_pymongo_update(cls, worker_hostname: str = None):
+        update = super().reset_pymongo_update()
+        update.update(joined=False)
+        return update
+
     def _cleanup_after_processing(self):
         # send email about process finish
         user = self.uploader