diff --git a/xcp/net/biosdevname.py b/xcp/net/biosdevname.py
index 78995056..60ddfe82 100644
--- a/xcp/net/biosdevname.py
+++ b/xcp/net/biosdevname.py
@@ -65,7 +65,7 @@ def all_devices_all_names():
         if retcode:
             continue
 
-        for device in (x.strip() for x in stdout.split("\n\n") if len(x)):
+        for device in (x.strip() for x in stdout.decode().split("\n\n") if len(x)):
             dinfo = {}
 
             for l in device.split("\n"):
diff --git a/xcp/pci.py b/xcp/pci.py
index 1c8e081d..703ab85d 100644
--- a/xcp/pci.py
+++ b/xcp/pci.py
@@ -186,7 +186,7 @@ def __init__(self, fn):
         vendor = None
         cls = None
 
-        fh = open(fn)
+        fh = open(fn, 'r', encoding='UTF-8')
         for l in fh:
             line = l.rstrip()
             if line == '' or line.startswith('#'):
@@ -260,7 +260,7 @@ def __init__(self):
                                stdout = subprocess.PIPE)
         for l in cmd.stdout:
             line = l.rstrip()
-            el = [x for x in line.replace('"', '').split() if not x.startswith('-')]
+            el = [x for x in line.decode().replace('"', '').split() if not x.startswith('-')]
             self.devs[el[0]] = {'id': el[0],
                                 'class': el[1][:2],
                                 'subclass': el[1][2:],