diff --git a/pagure/ui/repo.py b/pagure/ui/repo.py
index ce45096..7d01e4f 100644
--- a/pagure/ui/repo.py
+++ b/pagure/ui/repo.py
@@ -378,7 +378,7 @@ def view_file(repo, identifier, filename, username=None):
                     filename,
                     content.data
                 )
-            except ClassNotFound:
+            except (ClassNotFound, TypeError):
                 lexer = TextLexer()
 
             content = highlight(