diff --git a/platypush/plugins/rss/__init__.py b/platypush/plugins/rss/__init__.py
index 1ef908c7c8..1db8b34ee0 100644
--- a/platypush/plugins/rss/__init__.py
+++ b/platypush/plugins/rss/__init__.py
@@ -82,7 +82,9 @@ class RssPlugin(RunnablePlugin):
         t = var.get(varname)
 
         if t:
-            return dateutil.parser.isoparse(t)
+            if not isinstance(t, datetime.datetime):
+                t = dateutil.parser.isoparse(t)
+            return t
 
         return None