diff --git a/image_classifier/image_classifier.py b/image_classifier/image_classifier.py
index 94e6da6..3c34aa9 100755
--- a/image_classifier/image_classifier.py
+++ b/image_classifier/image_classifier.py
@@ -112,6 +112,8 @@ class image_classifier:
                     if match:
                         folder_date = f"{match.group('year')}.{match.group('month')}.\
 {match.group('day')}"
+            else:
+                self._log.debug(f"The file '{file}' doesn't seem to be an image for PIL.")
             folder = os.path.join(dirname, folder_date, filename)
             self._log.debug(f"Time based folder name section '{folder_date}'")
             new_path = os.path.dirname(folder)