diff --git a/src/markdown2pdf.hs b/src/markdown2pdf.hs
index 5a4f05675..768c0207d 100644
--- a/src/markdown2pdf.hs
+++ b/src/markdown2pdf.hs
@@ -155,7 +155,7 @@ main = bracket
                    "--include-before-body","--include-after-body",
                    "--custom-header","--output",
                    "--template", "--variable",
-                   "--csl", "--bibliography"]
+                   "--csl", "--bibliography", "--data-dir"]
     let isOpt ('-':_) = True
         isOpt _       = False
     let opts = filter isOpt args