diff --git a/platypush/plugins/assistant/__init__.py b/platypush/plugins/assistant/__init__.py
index ba9d45de8e..79f12557f3 100644
--- a/platypush/plugins/assistant/__init__.py
+++ b/platypush/plugins/assistant/__init__.py
@@ -1,4 +1,4 @@
-from abc import ABC, abstractmethod
+from abc import ABC
 from dataclasses import asdict, dataclass
 from enum import Enum
 import os
@@ -111,19 +111,17 @@ class AssistantPlugin(Plugin, AssistantEntityManager, ABC):
             alert_state=self._cur_alert_type.value if self._cur_alert_type else None,
         )
 
-    @abstractmethod
-    def start_conversation(self, *_, **__):
-        """
-        Programmatically starts a conversation.
-        """
-        raise NotImplementedError
-
-    @abstractmethod
+    @action
     def stop_conversation(self, *_, **__):
         """
         Programmatically stops a conversation.
         """
-        raise NotImplementedError
+        self._stop_conversation()
+
+    def _stop_conversation(self, *_, **__):
+        tts = self._get_tts_plugin()
+        if tts:
+            tts.stop()
 
     @action
     def pause_detection(self, *_, **__):
diff --git a/platypush/plugins/assistant/google/__init__.py b/platypush/plugins/assistant/google/__init__.py
index ca113707cd..4dd13fa041 100644
--- a/platypush/plugins/assistant/google/__init__.py
+++ b/platypush/plugins/assistant/google/__init__.py
@@ -181,8 +181,7 @@ class AssistantGooglePlugin(AssistantPlugin, RunnablePlugin):
         if self.assistant:
             self.assistant.start_conversation()
 
-    @action
-    def stop_conversation(self, *_, **__):
+    def _stop_conversation(self, *_, **__):
         """
         Programmatically stop a running conversation with the assistant
         """
diff --git a/platypush/plugins/tts/__init__.py b/platypush/plugins/tts/__init__.py
index 6bd2e8bc10..0fa2a13af8 100644
--- a/platypush/plugins/tts/__init__.py
+++ b/platypush/plugins/tts/__init__.py
@@ -55,5 +55,18 @@ class TtsPlugin(Plugin):
 
         self._playback(url, **player_args)
 
+    @action
+    def stop(self):
+        """
+        Stop the playback.
+        """
+        try:
+            audio = get_plugin('sound')
+        except Exception:
+            return
+
+        if audio:
+            audio.stop_playback()
+
 
 # vim:sw=4:ts=4:et: