diff --git a/PKG-INFO b/PKG-INFO
index 228fd8d19b4b22fb888d0e059623208792d0e144..1c46a7614c9610e827f6c92b63dda0b85e623552 100644
--- a/PKG-INFO
+++ b/PKG-INFO
@@ -1,6 +1,6 @@
 Metadata-Version: 1.0
 Name: swh.model
-Version: 0.0.15
+Version: 0.0.16
 Summary: Software Heritage data model
 Home-page: https://forge.softwareheritage.org/diffusion/DMOD/
 Author: Software Heritage developers
diff --git a/swh.model.egg-info/PKG-INFO b/swh.model.egg-info/PKG-INFO
index 228fd8d19b4b22fb888d0e059623208792d0e144..1c46a7614c9610e827f6c92b63dda0b85e623552 100644
--- a/swh.model.egg-info/PKG-INFO
+++ b/swh.model.egg-info/PKG-INFO
@@ -1,6 +1,6 @@
 Metadata-Version: 1.0
 Name: swh.model
-Version: 0.0.15
+Version: 0.0.16
 Summary: Software Heritage data model
 Home-page: https://forge.softwareheritage.org/diffusion/DMOD/
 Author: Software Heritage developers
diff --git a/swh/model/git.py b/swh/model/git.py
index 1f95b7b62ac701b86152f42ae2e6d5dee5d3d5cc..ad5962f543318eb0b3435ea2889133f9e8fad8ed 100644
--- a/swh/model/git.py
+++ b/swh/model/git.py
@@ -7,7 +7,7 @@
 import os
 import stat
 
-from enum import Enum
+from enum import Enum, IntEnum
 
 from swh.model import hashutil, identifiers
 
@@ -25,11 +25,11 @@ class GitType(Enum):
     REFS = b'ref'
 
 
-class GitPerm(Enum):
-    BLOB = b'100644'
-    TREE = b'40000'
-    EXEC = b'100755'
-    LINK = b'120000'
+class GitPerm(IntEnum):
+    BLOB = 0o100644
+    TREE = 0o040000
+    EXEC = 0o100755
+    LINK = 0o120000
 
 
 def _compute_directory_git_sha1(hashes):
@@ -53,7 +53,7 @@ def _compute_directory_git_sha1(hashes):
         [
             {
                 'name': entry['name'],
-                'perms': int(entry['perms'].value, 8),
+                'perms': entry['perms'],
                 'target': entry['sha1_git'],
                 'type': 'dir' if entry['perms'] == GitPerm.TREE else 'file',
             }
diff --git a/version.txt b/version.txt
index 4eb8537882dd1b05b031d6dbd42abfdac3dc61d5..bbf69d824964a943bad2d99cbc9c342ba62bbfcd 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-v0.0.15-0-g4d6d748
\ No newline at end of file
+v0.0.16-0-g6f89adf
\ No newline at end of file