--- a/setup.py
+++ b/setup.py
@@ -55,7 +55,7 @@
             return
 
         real_confdir = os.path.join('/etc')
-        real_statedir = os.path.join('/lib', 'ufw')
+        real_statedir = os.path.join('/usr', 'lib', 'ufw')
         real_prefix = self.prefix
         if self.home != None:
             real_confdir = self.home + real_confdir
@@ -114,7 +114,7 @@
         if self.root != None:
             prefix = self.root + real_prefix
 
-        script = os.path.join(prefix, 'sbin', 'ufw')
+        script = os.path.join(prefix, 'bin', 'ufw')
         manpage = os.path.join(prefix, 'share', 'man', 'man8', 'ufw.8')
         manpage_f = os.path.join(prefix, 'share', 'man', 'man8', \
                                  'ufw-framework.8')
@@ -126,7 +126,7 @@
         print("Updating staging/ufw to use %s" % (sys.executable))
         subprocess.call(["sed",
                          "-i",
-                         "1s%^#.*python.*%#! /usr/bin/env " + sys.executable + "%g",
+                         "1s%^#.*python.*%#!/usr/bin/python3%g",
                          'staging/ufw'])
         self.copy_file('staging/ufw', script)
         self.copy_file('doc/ufw.8', manpage)
@@ -250,8 +250,7 @@
 iptables_dir = ''
 
 for e in ['iptables']:
-    for dir in ['/sbin', '/bin', '/usr/sbin', '/usr/bin', '/usr/local/sbin', \
-                '/usr/local/bin']:
+    for dir in ['/usr/bin']:
         if e == "iptables":
             if os.path.exists(os.path.join(dir, e)):
                 iptables_dir = dir