diff --git a/bin/revision.py b/bin/revision.py
index 51bae5cd9..b6c555562 100755
--- a/bin/revision.py
+++ b/bin/revision.py
@@ -103,7 +103,7 @@
 
     # get the short hash
     git_hash = subprocess.check_output(['git', 'rev-parse', '--short', 'HEAD'])
-    git_hash = str(git_hash[:7])
+    git_hash = str(git_hash[:7].decode())
 
     # get the dirty flag
     dirty = os.system('git diff --quiet')