diff --git a/debian/prerm b/debian/prerm
index 0d4b4a7..3cb9935 100644
--- a/debian/prerm
+++ b/debian/prerm
@@ -20,10 +20,13 @@ set -e
 
 
 case "$1" in
-    purge|remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
+    purge|remove|disappear)
         update-alternatives --remove x-terminal-emulator /usr/bin/qterminal | exit 0
         ;;
 
+    upgrade|failed-upgrade|abort-install|abort-upgrade)
+        ;;
+
     *)
         echo "postrm called with unknown argument \`$1'" >&2
         exit 1