diff --git a/homeassistant/components/onkyo/media_player.py b/homeassistant/components/onkyo/media_player.py
index ef20c1054f3..614612ecc27 100644
--- a/homeassistant/components/onkyo/media_player.py
+++ b/homeassistant/components/onkyo/media_player.py
@@ -145,16 +145,22 @@ def determine_zones(receiver):
     out = {"zone2": False, "zone3": False}
     try:
         _LOGGER.debug("Checking for zone 2 capability")
-        receiver.raw("ZPWQSTN")
-        out["zone2"] = True
+        response = receiver.raw("ZPWQSTN")
+        if response != "ZPWN/A":  # Zone 2 Available
+            out["zone2"] = True
+        else:
+            _LOGGER.debug("Zone 2 not available")
     except ValueError as error:
         if str(error) != TIMEOUT_MESSAGE:
             raise error
         _LOGGER.debug("Zone 2 timed out, assuming no functionality")
     try:
         _LOGGER.debug("Checking for zone 3 capability")
-        receiver.raw("PW3QSTN")
-        out["zone3"] = True
+        response = receiver.raw("PW3QSTN")
+        if response != "PW3N/A":
+            out["zone3"] = True
+        else:
+            _LOGGER.debug("Zone 3 not available")
     except ValueError as error:
         if str(error) != TIMEOUT_MESSAGE:
             raise error