diff --git a/homeassistant/components/ads/__init__.py b/homeassistant/components/ads/__init__.py
index 657ff8acc3a..360236790f8 100644
--- a/homeassistant/components/ads/__init__.py
+++ b/homeassistant/components/ads/__init__.py
@@ -47,7 +47,7 @@ CONFIG_SCHEMA = vol.Schema({
 SCHEMA_SERVICE_WRITE_DATA_BY_NAME = vol.Schema({
     vol.Required(CONF_ADS_TYPE):
         vol.In([ADSTYPE_INT, ADSTYPE_UINT, ADSTYPE_BYTE, ADSTYPE_BOOL]),
-    vol.Required(CONF_ADS_VALUE): cv.match_all,
+    vol.Required(CONF_ADS_VALUE): vol.Coerce(int),
     vol.Required(CONF_ADS_VAR): cv.string,
 })