diff --git a/homeassistant/components/sensor/dublin_bus_transport.py b/homeassistant/components/sensor/dublin_bus_transport.py
index 0fccf7da5a8..d47c471e90d 100644
--- a/homeassistant/components/sensor/dublin_bus_transport.py
+++ b/homeassistant/components/sensor/dublin_bus_transport.py
@@ -92,7 +92,7 @@ class DublinPublicTransportSensor(Entity):
         """Return the state attributes."""
         if self._times is not None:
             next_up = "None"
-            if self._times:
+            if len(self._times) >= 1:
                 next_up = self._times[1][ATTR_ROUTE] + " in "
                 next_up += self._times[1][ATTR_DUE_IN]