diff --git a/scrutiny/projects/models.py b/scrutiny/projects/models.py
index c6f888d..3e1c066 100644
--- a/scrutiny/projects/models.py
+++ b/scrutiny/projects/models.py
@@ -134,7 +134,7 @@ class Module(models.Model):
         p = subprocess.Popen(cmd, **kws)
         stdout = p.communicate()[0]
         p.wait()
-        return stdout[:7]
+        return stdout[:7].decode('ascii')
 
     def get_diff_log(self, v1, v2, format='oneline', grep=None):
         kws = {}