diff --git a/homeassistant/components/knx.py b/homeassistant/components/knx.py
index f6f41619ca8..61f8ca90137 100644
--- a/homeassistant/components/knx.py
+++ b/homeassistant/components/knx.py
@@ -17,7 +17,7 @@ import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.event import async_track_state_change
 from homeassistant.helpers.script import Script
 
-REQUIREMENTS = ['xknx==0.8.4']
+REQUIREMENTS = ['xknx==0.8.5']
 
 DOMAIN = "knx"
 DATA_KNX = "data_knx"
@@ -241,7 +241,7 @@ class KNXModule(object):
     async def telegram_received_cb(self, telegram):
         """Call invoked after a KNX telegram was received."""
         self.hass.bus.fire('knx_event', {
-            'address': telegram.group_address.str(),
+            'address': str(telegram.group_address),
             'data': telegram.payload.value
         })
         # False signals XKNX to proceed with processing telegrams.
diff --git a/requirements_all.txt b/requirements_all.txt
index 03560ac79b0..a3a5662822e 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1274,7 +1274,7 @@ xbee-helper==0.0.7
 xboxapi==0.1.1
 
 # homeassistant.components.knx
-xknx==0.8.4
+xknx==0.8.5
 
 # homeassistant.components.media_player.bluesound
 # homeassistant.components.sensor.startca