diff --git a/muk_web_preview_msoffice/controllers/main.py b/muk_web_preview_msoffice/controllers/main.py
index ad42676..99fcc9b 100644
--- a/muk_web_preview_msoffice/controllers/main.py
+++ b/muk_web_preview_msoffice/controllers/main.py
@@ -94,7 +94,7 @@ class MSOfficeParserController(http.Controller):
             return response
         except KeyError:
             return werkzeug.exceptions.UnsupportedMediaType(_("The file couldn't be converted. Unsupported mine type."))
-        except (ImportError, IOError, WindowsError) as error:
+        except (ImportError, IOError, OSError) as error:
             _logger.error(error)
             return werkzeug.exceptions.InternalServerError(_("An error occurred during the process. Please contact your system administrator."))
 
@@ -120,4 +120,4 @@ class MSOfficeParserController(http.Controller):
         headers = [('Content-Type', 'application/pdf'),
                    ('Content-Disposition', 'attachment;filename="{}";'.format(filename)),
                    ('Content-Length', len(file))]
-        return request.make_response(file, headers)
\ No newline at end of file
+        return request.make_response(file, headers)