diff --git a/supervisor/addons/addon.py b/supervisor/addons/addon.py
index 766d3cd31..9568d5610 100644
--- a/supervisor/addons/addon.py
+++ b/supervisor/addons/addon.py
@@ -594,7 +594,7 @@ class Addon(AddonModel):
     async def stop(self) -> None:
         """Stop add-on."""
         try:
-            return await self.instance.stop()
+            await self.instance.stop()
         except DockerRequestError as err:
             raise AddonsError() from err
         except DockerError as err:
diff --git a/supervisor/snapshots/validate.py b/supervisor/snapshots/validate.py
index 158523768..5e6bf9ce5 100644
--- a/supervisor/snapshots/validate.py
+++ b/supervisor/snapshots/validate.py
@@ -101,7 +101,7 @@ SCHEMA_SNAPSHOT = vol.Schema(
                     {
                         vol.Required(ATTR_SLUG): vol.Coerce(str),
                         vol.Required(ATTR_NAME): vol.Coerce(str),
-                        vol.Required(ATTR_VERSION): vol.Coerce(str),
+                        vol.Required(ATTR_VERSION): version_tag,
                         vol.Optional(ATTR_SIZE, default=0): vol.Coerce(float),
                     },
                     extra=vol.REMOVE_EXTRA,