diff --git a/addons/account/models/ir_attachment.py b/addons/account/models/ir_attachment.py
index 9bb3befbcc7..1b428b2d262 100644
--- a/addons/account/models/ir_attachment.py
+++ b/addons/account/models/ir_attachment.py
@@ -49,7 +49,7 @@ class IrAttachment(models.Model):
             pdf_reader = OdooPdfFileReader(buffer, strict=False)
         except Exception as e:
             # Malformed pdf
-            _logger.exception("Error when reading the pdf: %s", e)
+            _logger.warning("Error when reading the pdf: %s", e, exc_info=True)
             return []
 
         # Process embedded files.