diff --git a/www/py-isso/files/isso.in b/www/py-isso/files/isso.in
index 34db7ab..bd834a3 100755
--- a/www/py-isso/files/isso.in
+++ b/www/py-isso/files/isso.in
@@ -67,6 +67,7 @@ isso_stop()
     local pid=$(cat $pidfile)
     echo "stopping isso (pid=$pid)"
     kill -- -$pid
+    rm -f ${pidfile}
   else
     echo "isso is not running"
   fi