diff --git a/git-latexdiff b/git-latexdiff
index 69422d4..ded22f4 100755
--- a/git-latexdiff
+++ b/git-latexdiff
@@ -247,6 +247,9 @@ done
 if test -z "$new" ; then
     new=HEAD
 fi
+if test "$new" = "--"; then
+    ln_untracked=1
+fi
 
 if test -z "$old" ; then
     echo "fatal: Please, provide at least one revision to diff with."