diff --git a/files/dom0/.local/bin/dom0/qvm-ls-class b/files/dom0/.local/bin/dom0/qvm-ls-class
index 29697ad..005d1ad 100755
--- a/files/dom0/.local/bin/dom0/qvm-ls-class
+++ b/files/dom0/.local/bin/dom0/qvm-ls-class
@@ -7,26 +7,13 @@
 set -eu
 
 case "${1-}" in
-  -A|--admin)
-    q_class="AdminVM"
-    ;;
-  -t|--template)
-    q_class="TemplateVM"
-    ;;
-  -a|--app)
-    q_class="AppVM"
-    ;;
-  -d|--disp)
-    q_class="DispVM"
-    ;;
-  -s|--standalone)
-    q_class="StandaloneVM"
-    ;;
-  "")
-    true
-    ;;
-  *)
-    printf '%s\n' "usage: ${0##*/} [CLASS]
+  -A|--admin) class="AdminVM";;
+  -t|--template)class="TemplateVM";;
+  -a|--app) class="AppVM";;
+  -d|--disp) class="DispVM";;
+  -s|--standalone) class="StandaloneVM";;
+  "") true;;
+  *) printf '%s\n' "usage: ${0##*/} [CLASS]
  -A, --admin
  -t, --template
  -a, --app
@@ -36,9 +23,9 @@ case "${1-}" in
     ;;
 esac
 
-if test -z "${q_class-}"; then
+if test -z "${class-}"; then
   qvm-ls --no-spinner --raw-list
 else
   qvm-ls --no-spinner --raw-data --fields=NAME,CLASS | \
-    awk -v at="${q_class}" -F "|" '$2 ~ at {print $1}'
+    awk -v at="${class}" -F "|" '$2 ~ at {print $1}'
 fi