diff --git a/operators.sty b/operators.sty
index 52386b1..7722483 100644
--- a/operators.sty
+++ b/operators.sty
@@ -31,12 +31,14 @@
 \DeclareMathOperator{\Proj}{Proj}
 \DeclareMathOperator{\QCoh}{QCoh}
 \renewcommand\Im\im
-\DeclareMathOperator{\Mor}{Mor}
 \DeclareMathOperator{\Hom}{Hom}
+\DeclareMathOperator{\Mor}{Mor}
+\DeclareMathOperator{\End}{End}
 \DeclareMathOperator{\Gal}{Gal}
 \DeclareMathOperator{\MaxSpec}{MaxSpec}
-\DeclareMathOperator{\Fun}{Fun}
 \DeclareMathOperator{\Presh}{Pre-Sh}
+\DeclareMathOperator{\Fun}{Fun}
+\DeclareMathOperator{\Mat}{Mat}
 \DeclareMathOperator{\Sh}{Sh}
 \DeclareMathOperator{\dif}{diff}
 \DeclareMathOperator{\opp}{opp}