diff --git a/src/core/constants.py b/src/core/constants.py
index 3026a822..6fc5e745 100644
--- a/src/core/constants.py
+++ b/src/core/constants.py
@@ -31,7 +31,7 @@ class Const(object):
     APP_NAME_SHORT = u'SàT'
     APP_NAME_FILE = u'sat'
     APP_NAME_FULL = u'%s (%s)' % (APP_NAME_SHORT, APP_NAME)
-    APP_VERSION = u'0.5.1'  # Please add 'D' at the end for dev versions
+    APP_VERSION = u'0.5.1D'  # Please add 'D' at the end for dev versions
     APP_URL = 'http://salut-a-toi.org'