diff --git a/src/math/mathop.pysty b/src/math/mathop.pysty
index 10ecf18..fbe0ded 100644
--- a/src/math/mathop.pysty
+++ b/src/math/mathop.pysty
@@ -203,3 +203,9 @@ __END_OPTIONS_X__
   \vphantom{\big|} % pretend it's a little taller at normal size
   \right|_{#2} % this is the delimiter
 }}
+
+
+\newcommand\directlimit{\varinjlimit}
+\newcommand\inverselimit{\varprojlimit}
+
+