diff --git a/product/ERP5/Document/PDFDocument.py b/product/ERP5/Document/PDFDocument.py
index 2703865915810ef072bb96f98b25fa46553c3b65..7cc0b949749d8423eb10e0cdfa0a1100fb817bc3 100644
--- a/product/ERP5/Document/PDFDocument.py
+++ b/product/ERP5/Document/PDFDocument.py
@@ -189,6 +189,6 @@ class PDFDocument(Image, ConversionCacheMixin):
   def _setFile(self, data, precondition=None):
     try:
       del self._content_information
-    except AttributeError:
+    except (AttributeError, KeyError):
       pass
     Image._setFile(self, data, precondition)