diff --git a/lib/linguist/repository.rb b/lib/linguist/repository.rb
index b45b825d..181ddf0e 100644
--- a/lib/linguist/repository.rb
+++ b/lib/linguist/repository.rb
@@ -152,7 +152,8 @@ module Linguist
         if [:added, :modified].include? delta.status
           # Skip submodules and symlinks
           mode = delta.new_file[:mode]
-          next if (mode & 0040000) != 0 || (mode & 0120000) != 0
+          mode_format = (mode & 0170000)
+          next if mode_format == 0120000 || mode_format == 040000 || mode_format == 0160000
 
           blob = Linguist::LazyBlob.new(repository, delta.new_file[:oid], new, mode.to_s(8))