diff --git a/clef_evaluation.py b/clef_evaluation.py
index 9cdc509..b220960 100644
--- a/clef_evaluation.py
+++ b/clef_evaluation.py
@@ -323,6 +323,7 @@ def check_validity_of_arguments(args):
 def main():
     args = parse_args()
 
+    # log to file
     logging.basicConfig(
         filename=args.f_log,
         filemode="w",
@@ -330,6 +331,11 @@ def main():
         format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
     )
 
+    # log errors also to console
+    handler = logging.StreamHandler(sys.stdout)
+    handler.setLevel(logging.ERROR)
+    logging.getLogger().addHandler(handler)
+
     try:
         check_validity_of_arguments(args)
     except Exception as e:
@@ -353,8 +359,9 @@ def main():
             args.outdir,
             args.suffix,
         )
-    except AssertionError as err:
-        print(err)
+    except AssertionError:
+        # don't interrupt the pipeline
+        pass
 
 
 ################################################################################
diff --git a/ner_evaluation/ner_eval.py b/ner_evaluation/ner_eval.py
index 2a98f36..0242cf5 100644
--- a/ner_evaluation/ner_eval.py
+++ b/ner_evaluation/ner_eval.py
@@ -145,11 +145,13 @@ def reconstruct_segmentation(self):
                 toks_pred = [tok.TOKEN for tok in sent_pred]
                 toks_true = [tok.TOKEN for tok in doc_true]
                 if toks_true != toks_pred:
-                    raise AssertionError(
+                    msg = (
                         f"The system response '{self.f_pred}' is not in line with the gold standard. "
                         + "The attempt to reconstruct the segmentation failed. "
                         + f"The mismatch occured in document {i_doc_true + 1} starting at token position {tok_pos_start +1} (Tokens: {toks_true}) wtr to the gold standard."
                     )
+                    logging.error(msg)
+                    raise AssertionError
 
                 sents_pred.append(sent_pred)
                 tok_pos_start += n_doc_sent_true