diff --git a/homeassistant/components/google_assistant/trait.py b/homeassistant/components/google_assistant/trait.py
index f6301c8579d..70cc9bd9f52 100644
--- a/homeassistant/components/google_assistant/trait.py
+++ b/homeassistant/components/google_assistant/trait.py
@@ -1073,8 +1073,8 @@ class ArmDisArmTrait(_Trait):
 
     def query_attributes(self):
         """Return ArmDisarm query attributes."""
-        if "post_pending_state" in self.state.attributes:
-            armed_state = self.state.attributes["post_pending_state"]
+        if "next_state" in self.state.attributes:
+            armed_state = self.state.attributes["next_state"]
         else:
             armed_state = self.state.state
         response = {"isArmed": armed_state in self.state_to_service}