diff --git a/mkessler-operators.sty b/mkessler-operators.sty
index a9b9766..2a0e8eb 100644
--- a/mkessler-operators.sty
+++ b/mkessler-operators.sty
@@ -134,4 +134,4 @@
 \newcommand{\del}{\partial}
 \DeclareMathOperator{\EXT}{EXT}
 \DeclareMathOperator{\Ind}{Ind}
-
+\DeclareMathOperator{\Char}{char}