diff --git a/scripts/xe-scsi-dev-map b/scripts/xe-scsi-dev-map
index c1832e0001..8b4a4db62b 100644
--- a/scripts/xe-scsi-dev-map
+++ b/scripts/xe-scsi-dev-map
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 #
 # Copyright (c) Citrix Systems 2008. All rights reserved.
 #
@@ -14,7 +14,8 @@ def doexec(args, inputtext=None):
     proc = subprocess.Popen(args, stdin=subprocess.PIPE,
                                  stdout=subprocess.PIPE,
                                  stderr=subprocess.PIPE,
-                                 close_fds=True)
+                                 close_fds=True,
+                                 universal_newlines=True)
     (stdout, stderr) = proc.communicate(inputtext)
     retcode = proc.returncode
     return (retcode, stdout, stderr)
@@ -58,7 +59,7 @@ def main():
                 retinfo = pread(command)
                 index = retinfo.find(findser)
                 if index != -1:
-                    if idlist.has_key(retinfo[index+len(findser):len(retinfo)].strip()):
+                    if retinfo[index+len(findser):len(retinfo)].strip() in idlist:
                         idlist[retinfo[index+len(findser):len(retinfo)].strip()].append(filepath)
                     else:
                         idlist[retinfo[index+len(findser):len(retinfo)].strip()]=[filepath]
@@ -80,7 +81,7 @@ def main():
                 retinfo = pread(command)
                 index = retinfo.find(findser)
                 if index != -1:
-                    if idlist.has_key(retinfo[index+len(findser):len(retinfo)].strip()):
+                    if retinfo[index+len(findser):len(retinfo)].strip() in idlist:
                         idlist[retinfo[index+len(findser):len(retinfo)].strip()].append(filepath)
                     else:
                         idlist[retinfo[index+len(findser):len(retinfo)].strip()]=[filepath]
@@ -100,7 +101,7 @@ def main():
                 retinfo = pread(command)
                 index = retinfo.find(findser)
                 if index != -1:
-                    if idlist.has_key(retinfo[index+len(findser):len(retinfo)].strip()):
+                    if retinfo[index+len(findser):len(retinfo)].strip() in idlist:
                         idlist[retinfo[index+len(findser):len(retinfo)].strip()].append(filepath)
                     else:
                         idlist[retinfo[index+len(findser):len(retinfo)].strip()]=[filepath]
@@ -110,11 +111,11 @@ def main():
         pass
 
     for id in idlist:
-        print
-        print "serial number '%s' maps the following devices " % id
+        print()
+        print("serial number '%s' maps the following devices " % id)
         for mapping in idlist[id]:
-            print "            %s" % mapping
-    print 
+            print("            %s" % mapping)
+    print() 
 
 if __name__ == "__main__":
     main()