diff --git a/xknx/devices/cover.py b/xknx/devices/cover.py
index d099b81ce..f5e8e3821 100644
--- a/xknx/devices/cover.py
+++ b/xknx/devices/cover.py
@@ -122,7 +122,7 @@ def __str__(self):
             .format(
                 self.name,
                 self.updown.group_addr_str(),
-                self.step.group_address(),
+                self.step.group_addr_str(),
                 self.position.group_addr_str(),
                 self.angle.group_addr_str(),
                 self.travel_time_down,