diff --git a/sen2chain/library.py b/sen2chain/library.py
index c7fca106768d00159ce6bdf00a93f48b7e8d9547..075a967e5415016a9e8dc4c2034dbff1e90d773b 100644
--- a/sen2chain/library.py
+++ b/sen2chain/library.py
@@ -81,8 +81,9 @@ class Library:
                 counts = til.clean_lib(remove=remove, remove_indice_tif=remove_indice_tif)
                 nb_id += counts["identified_problems"]
                 nb_rm += counts["removed_problems"]
-                prob_id.append(counts["problems"])
-                logger.info("{} - {}".format(til, counts))
+                if counts["problems"]:
+                    prob_id.append(counts["problems"])
+                logger.info("{} - identified problems:{} - removed problems:{}".format(til, counts["identified_problems"], counts["removed_problems"]))
             except:
                 pass
         return {"identified_problems": nb_id, "removed_problems": nb_rm, "problems": prob_id}