diff --git a/src/OXM/oxcSERVER.py b/src/OXM/oxcSERVER.py
index edfe306..256a17f 100644
--- a/src/OXM/oxcSERVER.py
+++ b/src/OXM/oxcSERVER.py
@@ -453,10 +453,10 @@ class oxcSERVER(oxcSERVERvm,oxcSERVERhost,oxcSERVERproperties,oxcSERVERstorage,o
                 desc = data_source['name_description']
                 if not name[:3] in ds.keys():
                     ds[name[:3]] = []
-            if ds[name[:3]].count([name, desc]) == 0:
-                if name not in ("memory_internal_free", "xapi_free_memory_kib", "xapi_memory_usage_kib",  "xapi_live_memory_kib") \
-                        and name[:6] != "pif___":
-                            ds[name[:3]].append([name, desc])
+                if ds[name[:3]].count([name, desc]) == 0:
+                    if name not in ("memory_internal_free", "xapi_free_memory_kib", "xapi_memory_usage_kib",  "xapi_live_memory_kib") \
+                            and name[:6] != "pif___":
+                                ds[name[:3]].append([name, desc])
         if host:
             if os.path.exists(os.path.join(self.wine.pathconfig, "host_rrds.rrd")):
                 os.unlink(os.path.join(self.wine.pathconfig, "host_rrds.rrd"))