diff --git a/custom_components/localtuya/common.py b/custom_components/localtuya/common.py
index 547bad3..fea218a 100644
--- a/custom_components/localtuya/common.py
+++ b/custom_components/localtuya/common.py
@@ -266,12 +266,12 @@ class TuyaDevice(pytuya.TuyaListener, pytuya.ContextualLogger):
 
             if (
                 CONF_SCAN_INTERVAL in self._dev_config_entry
-                and self._dev_config_entry[CONF_SCAN_INTERVAL] > 0
+                and int(self._dev_config_entry[CONF_SCAN_INTERVAL]) > 0
             ):
                 self._unsub_interval = async_track_time_interval(
                     self._hass,
                     self._async_refresh,
-                    timedelta(seconds=self._dev_config_entry[CONF_SCAN_INTERVAL]),
+                    timedelta(seconds=int(self._dev_config_entry[CONF_SCAN_INTERVAL])),
                 )
 
             self.info(f"Successfully connected to {self._dev_config_entry[CONF_HOST]}")
diff --git a/custom_components/localtuya/config_flow.py b/custom_components/localtuya/config_flow.py
index 0099901..d7175e9 100644
--- a/custom_components/localtuya/config_flow.py
+++ b/custom_components/localtuya/config_flow.py
@@ -140,7 +140,7 @@ def options_schema(entities):
                 ["3.1", "3.2", "3.3", "3.4"]
             ),
             vol.Required(CONF_ENABLE_DEBUG, default=False): bool,
-            vol.Optional(CONF_SCAN_INTERVAL): cv.string,
+            vol.Optional(CONF_SCAN_INTERVAL): int,
             vol.Optional(CONF_MANUAL_DPS): cv.string,
             vol.Optional(CONF_RESET_DPIDS): cv.string,
             vol.Required(