diff --git a/scripts/mk_util.py b/scripts/mk_util.py
index b5ec691cb..b3d843cc4 100644
--- a/scripts/mk_util.py
+++ b/scripts/mk_util.py
@@ -76,7 +76,8 @@ GPROF=False
 
 def git_hash():
     try:
-        r = subprocess.check_output(['git', 'show-ref', '--abbrev=12', 'HEAD'], shell=True).rstrip('\r\n')
+        branch = subprocess.check_output(['git', 'rev-parse', '--abbrev-ref', 'HEAD'], shell=True).rstrip('\r\n')
+        r = subprocess.check_output(['git', 'show-ref', '--abbrev=12', 'refs/heads/%s' % branch], shell=True).rstrip('\r\n')
     except:
         raise MKException("Failed to retrieve git hash")
     ls = r.split(' ')