diff --git a/labgrid/util/agents/usb_hid_relay.py b/labgrid/util/agents/usb_hid_relay.py
index bf09a59d8..7bdb844cb 100644
--- a/labgrid/util/agents/usb_hid_relay.py
+++ b/labgrid/util/agents/usb_hid_relay.py
@@ -100,7 +100,7 @@ def set_output(self, number, status):
 
     def get_output(self, number):
         with self._claimed():
-            self._get_output(number)
+            return self._get_output(number)
 
 
 _relays = {}