diff --git a/contrib/tar b/contrib/tar
index 5bc99893..8f4fc540 100644
--- a/contrib/tar
+++ b/contrib/tar
@@ -19,7 +19,7 @@ _tar()
         return 0
         ;;
     +([^IZzJjy])f)
-        ext='t@(ar?(.@(Z|gz|bz?(2)|lz?(ma)))|gz|bz?(2)|lz?(ma))'
+        ext='t@(ar?(.@(Z|gz|bz?(2)|lz?(ma)|xz))|gz|bz?(2)|lz?(ma)|xz)'
         regex='t\(ar\(\.\(Z\|gz\|bz2\?\|lzma\|xz\)\)\?\|gz\|bz2\?\|lzma\|xz\)'
         ;;
     *[Zz]*f)