diff --git a/image_classifier/image_classifier.py b/image_classifier/image_classifier.py
index 10df9db..2c16aba 100755
--- a/image_classifier/image_classifier.py
+++ b/image_classifier/image_classifier.py
@@ -178,6 +178,9 @@ class image_classifier:
     def is_image(self, file):
         try:
             image_object = PIL.Image.open(file)
+        except OSError as error:
+            self._log.debug(f"File '{file}' is not readable by PIL. {error}")
+            return False
         except PIL.UnidentifiedImageError as error:
             self._log.debug(f"File '{file}' is not an image recognizable by PIL. {error}")
             return False