diff --git a/homeassistant/components/plex/sensor.py b/homeassistant/components/plex/sensor.py
index 65c2fab3614..21e8e1a8a58 100644
--- a/homeassistant/components/plex/sensor.py
+++ b/homeassistant/components/plex/sensor.py
@@ -54,6 +54,7 @@ class PlexSensor(Entity):
         _LOGGER.debug("Refreshing sensor [%s]", self.unique_id)
 
         self.sessions = sessions
+        update_failed = False
 
         @callback
         def update_plex(_):
@@ -71,8 +72,8 @@ class PlexSensor(Entity):
                 _LOGGER.debug(
                     "Session temporarily incomplete, will try again: %s", sess
                 )
-                async_call_later(self.hass, 5, update_plex)
-                return
+                update_failed = True
+                continue
             user = sess.usernames[0]
             device = sess.players[0].title
             now_playing_user = f"{user} - {device}"
@@ -111,6 +112,9 @@ class PlexSensor(Entity):
 
         self.async_write_ha_state()
 
+        if update_failed:
+            async_call_later(self.hass, 5, update_plex)
+
     @property
     def name(self):
         """Return the name of the sensor."""