diff --git a/home-assistant/src/notify/service/mobile_app/mod.rs b/home-assistant/src/notify/service/mobile_app/mod.rs
index 236f10f..4944eec 100644
--- a/home-assistant/src/notify/service/mobile_app/mod.rs
+++ b/home-assistant/src/notify/service/mobile_app/mod.rs
@@ -286,10 +286,10 @@ impl<'py> IntoPyObject<'py> for NotifyMobileAppServiceData {
         dict.set_item("message", message)?;
 
         if let Some(title) = title {
-            dict.set_item("title", title);
+            dict.set_item("title", title)?;
         }
 
-        dict.set_item("data", data);
+        dict.set_item("data", data)?;
 
         Ok(dict)
     }