diff --git a/custom_components/ha_text_ai/__init__.py b/custom_components/ha_text_ai/__init__.py
index 2968c5e..56f751f 100644
--- a/custom_components/ha_text_ai/__init__.py
+++ b/custom_components/ha_text_ai/__init__.py
@@ -213,7 +213,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
                 model=model,
                 temperature=entry.data.get(CONF_TEMPERATURE, DEFAULT_TEMPERATURE),
                 max_tokens=entry.data.get(CONF_MAX_TOKENS, DEFAULT_MAX_TOKENS),
-                request_interval=entry.data.get(CONF_REQUEST_INTERVAL, DEFAULT_REQUEST_INTERVAL),
+                request_interval=float(entry.data.get(CONF_REQUEST_INTERVAL, DEFAULT_REQUEST_INTERVAL)),
                 session=session,
                 is_anthropic=is_anthropic
             )
diff --git a/custom_components/ha_text_ai/coordinator.py b/custom_components/ha_text_ai/coordinator.py
index f20c3a3..3a7b695 100644
--- a/custom_components/ha_text_ai/coordinator.py
+++ b/custom_components/ha_text_ai/coordinator.py
@@ -41,6 +41,14 @@ class HATextAICoordinator(DataUpdateCoordinator):
         session: Optional[Any] = None,
         is_anthropic: bool = False,
     ) -> None:
+        request_interval = float(request_interval)
+
+        super().__init__(
+            hass,
+            _LOGGER,
+            name=DOMAIN,
+            update_interval=timedelta(seconds=request_interval),
+        )
         """Initialize coordinator."""
         super().__init__(
             hass,