diff --git a/plugins/bacula/bacula_job b/plugins/bacula/bacula_job
index af030bd7..65d6e8ff 100755
--- a/plugins/bacula/bacula_job
+++ b/plugins/bacula/bacula_job
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 # Copyright (C) 2009 Andreas Thienemann <andreas@bawue.net>
 #
diff --git a/plugins/bacula/bacula_sd b/plugins/bacula/bacula_sd
index f623c4a9..545db656 100755
--- a/plugins/bacula/bacula_sd
+++ b/plugins/bacula/bacula_sd
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 # Copyright (C) 2009 Andreas Thienemann <andreas@bawue.net>
 #
diff --git a/plugins/prosody/prosody_ b/plugins/prosody/prosody_
index 53aa3bed..7aa288f5 100755
--- a/plugins/prosody/prosody_
+++ b/plugins/prosody/prosody_
@@ -1,5 +1,4 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
+#!/usr/bin/env python3
 # Copyright (c) 2010 Christoph Heer (Christoph.Heer@googlemail.com)
 #
 # Permission is hereby granted, free of charge, to any person obtaining a
diff --git a/plugins/sphinx/sphindex_ b/plugins/sphinx/sphindex_
index 34c6d4c8..73c3ef17 100755
--- a/plugins/sphinx/sphindex_
+++ b/plugins/sphinx/sphindex_
@@ -1,5 +1,4 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
+#!/usr/bin/env python3
 # vim: set fileencoding=utf-8
 #
 # Munin plugin to show number of documents in Sphinx index
diff --git a/plugins/synology/snmp__synology b/plugins/synology/snmp__synology
index 835ac385..dda582d8 100755
--- a/plugins/synology/snmp__synology
+++ b/plugins/synology/snmp__synology
@@ -1,5 +1,4 @@
-#!/usr/bin/python
-# -*- coding: utf-8 -*-
+#!/usr/bin/env python3
 
 # Copyright (C) 2014 Johann Schmitz <johann@j-schmitz.net>
 #
diff --git a/plugins/weather/weather_press_ b/plugins/weather/weather_press_
index 56569c66..12cc9936 100755
--- a/plugins/weather/weather_press_
+++ b/plugins/weather/weather_press_
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 """
 munin US NOAA weather plugin (http://tgftp.nws.noaa.gov)
 
@@ -13,7 +13,7 @@ Linux users might need to adjust the shebang.
 """
 
 import sys
-import urllib
+from urllib.request import urlopen
 import re
 
 url = 'http://tgftp.nws.noaa.gov/data/observations/metar/decoded/%s.TXT'
@@ -36,7 +36,7 @@ elif len(sys.argv) == 2 and sys.argv[1] == "config":
     print('graph_args --base 1000 -l 850 -u 1050 --rigid')
     print('graph_scale no')
 else:
-    u = urllib.urlopen(url % code)
+    u = urlopen(url % code)
     txt = u.read()
     u.close()
 
diff --git a/plugins/weather/weather_temp_ b/plugins/weather/weather_temp_
index a23840fa..2d28b436 100755
--- a/plugins/weather/weather_temp_
+++ b/plugins/weather/weather_temp_
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 """
 munin US NOAA weather plugin (http://tgftp.nws.noaa.gov)
 
@@ -13,7 +13,7 @@ Linux users might need to adjust the shebang.
 """
 
 import sys
-import urllib
+from urllib.request import urlopen
 import re
 
 url = 'http://tgftp.nws.noaa.gov/data/observations/metar/decoded/%s.TXT'
@@ -36,7 +36,7 @@ elif len(sys.argv) == 2 and sys.argv[1] == "config":
     print('dewpoint.label Dew Point')
     print('graph_args --base 1000 -l 0')
 else:
-    u = urllib.urlopen(url % code)
+    u = urlopen(url % code)
     txt = u.read()
     u.close()