diff --git a/scripts/postinst.sh b/scripts/postinst.sh
index 55752eaf..04cc91e5 100755
--- a/scripts/postinst.sh
+++ b/scripts/postinst.sh
@@ -6,7 +6,7 @@ set -e
 #
 # TODO: This is only tested on Debian.
 #
-if [ "$1" = "configure" ] || [ "$1" -gt 1 ]; then
+if [ "$1" = "configure" ] || [ "$1" -ge 1 ]; then
   if [ -d /run/systemd/system ]; then
     # Create ntfy user/group
     id ntfy >/dev/null 2>&1 || useradd --system --no-create-home ntfy
diff --git a/scripts/preinst.sh b/scripts/preinst.sh
index 805cd2b3..1a40f1a7 100755
--- a/scripts/preinst.sh
+++ b/scripts/preinst.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 set -e
 
-if [ "$1" = "install" ] || [ "$1" = "upgrade" ] || [ "$1" -gt 1 ]; then
+if [ "$1" = "install" ] || [ "$1" = "upgrade" ] || [ "$1" -ge 1 ]; then
   # Migration of old to new config file name
   oldconfigfile="/etc/ntfy/config.yml"
   configfile="/etc/ntfy/server.yml"