diff --git a/atreal_openads/models.py b/atreal_openads/models.py
index 4e90869..1604238 100644
--- a/atreal_openads/models.py
+++ b/atreal_openads/models.py
@@ -21,6 +21,7 @@
 """Models for this connector module."""  # pylint: disable=too-many-lines
 
 import base64
+import binascii
 import datetime
 import json
 import os
@@ -800,7 +801,7 @@ class AtrealOpenads(BaseResource, HTTPResource, BaseModel):
         # decode the recepisse from base 64
         try:
             base64.b64decode(recepisse['b64_content'])
-        except TypeError:
+        except (TypeError, binascii.Error):
             raise APIError('Failed to decode recepisse content from base 64')
         self.logger.debug("Successfully decoded recepisse from base 64")
 
@@ -1040,7 +1041,7 @@ class AtrealOpenads(BaseResource, HTTPResource, BaseModel):
         # decode the courrier from base 64
         try:
             base64.b64decode(courrier['b64_content'])
-        except TypeError:
+        except (TypeError, binascii.Error):
             raise APIError('Failed to decode courrier content from base 64')
 
         # return the 'courrier' file