diff --git a/homeassistant/components/velbus/__init__.py b/homeassistant/components/velbus/__init__.py
index 2ac751e283d..0da64227fd3 100644
--- a/homeassistant/components/velbus/__init__.py
+++ b/homeassistant/components/velbus/__init__.py
@@ -139,7 +139,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
         """Handle a clear cache service call."""
         # clear the cache
         with suppress(FileNotFoundError):
-            if call.data[CONF_ADDRESS]:
+            if CONF_ADDRESS in call.data and call.data[CONF_ADDRESS]:
                 await hass.async_add_executor_job(
                     os.unlink,
                     hass.config.path(