diff --git a/src/caosadvancedtools/table_importer.py b/src/caosadvancedtools/table_importer.py
index 77d07b0fc3b9f7b84196e282aabc80206b0aab87..0e6319eddfd1f5f1031bfbf8725d313d7c36f71d 100755
--- a/src/caosadvancedtools/table_importer.py
+++ b/src/caosadvancedtools/table_importer.py
@@ -108,8 +108,8 @@ class XLSImporter(object):
                     errmssg += "{}.".format(filename) if filename else "the file."
                     errmssg += "\nThis row will be ignored!"
 
-                    self.sup.warning(errmssg, identifier=filename,
-                                     category="inconsistency")
+                    logger.warning(errmsg, extra={'identifier': filename,
+                                                  'category': "inconsistency"})
                     df = df.drop(index)
                 else:
                     uniques.append(element)