diff --git a/git_command.py b/git_command.py
index d347dd6..51f5e3c 100644
--- a/git_command.py
+++ b/git_command.py
@@ -86,7 +86,7 @@
     global _git_version
 
     if _git_version is None:
-      ver_str = git.version()
+      ver_str = git.version().decode('utf-8')
       if ver_str.startswith('git version '):
         _git_version = tuple(
           map(int,
diff --git a/git_config.py b/git_config.py
index a294a0b..f6093a2 100644
--- a/git_config.py
+++ b/git_config.py
@@ -304,8 +304,8 @@
     d = self._do('--null', '--list')
     if d is None:
       return c
-    for line in d.rstrip('\0').split('\0'):  # pylint: disable=W1401
-                                             # Backslash is not anomalous
+    for line in d.decode('utf-8').rstrip('\0').split('\0'):  # pylint: disable=W1401
+                                                             # Backslash is not anomalous
       if '\n' in line:
         key, val = line.split('\n', 1)
       else:
diff --git a/git_refs.py b/git_refs.py
index 4dd6876..3c26606 100644
--- a/git_refs.py
+++ b/git_refs.py
@@ -100,7 +100,7 @@
   def _ReadPackedRefs(self):
     path = os.path.join(self._gitdir, 'packed-refs')
     try:
-      fd = open(path, 'rb')
+      fd = open(path, 'r')
       mtime = os.path.getmtime(path)
     except IOError:
       return
diff --git a/project.py b/project.py
index dec21ab..6631641 100644
--- a/project.py
+++ b/project.py
@@ -1165,7 +1165,7 @@
     last_mine = None
     cnt_mine = 0
     for commit in local_changes:
-      commit_id, committer_email = commit.split(' ', 1)
+      commit_id, committer_email = commit.decode('utf-8').split(' ', 1)
       if committer_email == self.UserEmail:
         last_mine = commit_id
         cnt_mine += 1
diff --git a/subcmds/sync.py b/subcmds/sync.py
index e9d52b7..d8aec59 100644
--- a/subcmds/sync.py
+++ b/subcmds/sync.py
@@ -761,7 +761,7 @@
   def _Load(self):
     if self._times is None:
       try:
-        f = open(self._path)
+        f = open(self._path, 'rb')
       except IOError:
         self._times = {}
         return self._times