diff --git a/debian/postinst b/debian/postinst
deleted file mode 100755
index f58aaa7ed1..0000000000
--- a/debian/postinst
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/bin/sh
-
-set -e
-
-#DEBHELPER#
-
-SERVER_GROUP="xpra"
-if ! getent group $SERVER_GROUP >/dev/null; then
-	echo -n "Adding group $SERVER_GROUP.."
-	addgroup --quiet --system $SERVER_GROUP 2>/dev/null ||true
-	echo "..done"
-fi
-
-if [ ! -f  /etc/xpra/ssl-cert.pem ]; then
-	umask=`umask`
-	umask 077
-	openssl req -new -newkey rsa:4096 -days 365 -nodes -x509 \
-		-subj "/C=US/ST=Denial/L=Springfield/O=Dis/CN=localhost" \
-		-keyout "/etc/xpra/ssl-cert.pem" -out "/etc/xpra/ssl-cert.pem"
-	umask $umask
-fi
diff --git a/debian/xpra.postinst b/debian/xpra.postinst
index 6d9516f803..a86c5e563b 100644
--- a/debian/xpra.postinst
+++ b/debian/xpra.postinst
@@ -10,4 +10,13 @@ case "${1}" in
     ;;
 esac
 
+if [ ! -f  /etc/xpra/ssl-cert.pem ]; then
+	umask=`umask`
+	umask 077
+	openssl req -new -newkey rsa:4096 -days 365 -nodes -x509 \
+		-subj "/C=US/ST=Denial/L=Springfield/O=Dis/CN=localhost" \
+		-keyout "/etc/xpra/ssl-cert.pem" -out "/etc/xpra/ssl-cert.pem"
+	umask $umask
+fi
+
 #DEBHELPER#