--- ejabberd-15.07.orig/ejabberdctl.template	2017-04-19 12:01:14.768873180 +0200
+++ ejabberd-15.07/ejabberdctl.template	2017-04-19 15:58:04.099844493 +0200
@@ -26,7 +26,7 @@
                 mkdir -p "$INSTALLUSER_HOME"
                 chown "$INSTALLUSER" "$INSTALLUSER_HOME"
             fi
-            EXEC_CMD="su $INSTALLUSER -c"
+            EXEC_CMD="/sbin/runuser -s /bin/bash ejabberd -c"
         fi
     done
     if [ `id -g` -eq `id -g $INSTALLUSER` ] ; then