diff --git a/CHANGES b/CHANGES
index 65640658a..d9fbaf7c9 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2492,4 +2492,5 @@
 [7.2.3]
 * appstore: allow re-registration on server side delete
 * transfer ownership route is not used anymore
+* graphite: fix issue where disk names with '.' do not render
 
diff --git a/setup/start/collectd/df.py b/setup/start/collectd/df.py
index c3452b618..e044c26ec 100644
--- a/setup/start/collectd/df.py
+++ b/setup/start/collectd/df.py
@@ -14,7 +14,7 @@ def read():
     for d in disks:
         device = d[0]
         if 'devicemapper' in d[1] or not device.startswith('/dev/'): continue
-        instance = device[len('/dev/'):].replace('/', '_') # see #348
+        instance = device[len('/dev/'):].replace('/', '_').replace('.', '_') # see #348
 
         try:
             st = os.statvfs(d[1]) # handle disk removal