diff --git a/lib/gitlab/inline_diff.rb b/lib/gitlab/inline_diff.rb
index e488adb..0f289a6 100644
--- a/lib/gitlab/inline_diff.rb
+++ b/lib/gitlab/inline_diff.rb
@@ -34,9 +34,8 @@ module Gitlab
           end
           last_the_same_symbols += 1
           last_token = first_line[last_the_same_symbols..-1]
-
-          diff_arr[index+1].sub!(/#{last_token}$/, FINISH + last_token)
-          diff_arr[index+2].sub!(/#{last_token}$/, FINISH + last_token)
+          diff_arr[index+1].sub!(/#{Regexp.escape(last_token)}$/, FINISH + last_token)
+          diff_arr[index+2].sub!(/#{Regexp.escape(last_token)}$/, FINISH + last_token)
         end
         diff_arr
       end
--
libgit2 0.21.2