diff --git a/master.tex b/master.tex
index f0ae15a183fd84d41c44aeeb97782aa323f46462..4463aa941e4d25576d44d456ad620744ea3b137f 100644
--- a/master.tex
+++ b/master.tex
@@ -101,9 +101,9 @@
 \newcommand{\inm}[1]{\iota_{#1}}
 \newcommand{\outm}[1]{\pi_{#1}}
 \DeclareMathOperator*{\colim}{colim}
-\DeclareMathOperator*{\ar}{ar}
-\DeclareMathOperator*{\dom}{dom}
-\DeclareMathOperator*{\cod}{cod}
+\DeclareMathOperator{\ar}{ar}
+\DeclareMathOperator{\dom}{dom}
+\DeclareMathOperator{\cod}{cod}
 
 %% hyperlinking-definition shorthands
 \newcommand{\defn}[2]{\hyperref[def:#1]{#2}}