diff --git a/lib/charm/openstack/gnocchi.py b/lib/charm/openstack/gnocchi.py
index 743628696371fae791483fe420670eb4eb08f14c..034c2c5a7db387d440016f6c76f19b599847d1bd 100644
--- a/lib/charm/openstack/gnocchi.py
+++ b/lib/charm/openstack/gnocchi.py
@@ -70,6 +70,8 @@ def log_config(config):
     gru = GnocchiCharm.group
     uid = pwd.getpwnam(usr).pw_uid
     gid = grp.getgrnam(gru).gr_gid
+    # touch file
+    open(log_config_file, 'a').close()
     os.chown(log_config_file, uid, gid)
     return log_config_file