diff --git a/lib/jekyll-pandoc-multiple-formats/unite.rb b/lib/jekyll-pandoc-multiple-formats/unite.rb
index 04b08dd039bb5fbaa00796d7121efb6a9bc12ba6..d4206eb7d0cff4f741dc8233a729b7c6af7d7fd5 100644
--- a/lib/jekyll-pandoc-multiple-formats/unite.rb
+++ b/lib/jekyll-pandoc-multiple-formats/unite.rb
@@ -32,7 +32,7 @@ module JekyllPandocMultipleFormats
       \\end{document}
       EOT
 
-    INCLUDE_TEMPLATE = '\\includepdf[fitpaper=true,pages=-]{@@document@@}'
+    INCLUDE_TEMPLATE = '\\includepdf[fitpaper=true,pages=-]{\detokenize@@document@@}}'
 
     attr_accessor :files, :template