diff --git a/inventory_provider/tasks/worker.py b/inventory_provider/tasks/worker.py
index e929191ebd675600f12f9a428355baeb80f076e6..6a8645c55db361d35d3cef9ab4838f987b65ff1a 100644
--- a/inventory_provider/tasks/worker.py
+++ b/inventory_provider/tasks/worker.py
@@ -1818,7 +1818,7 @@ def final_task(self):
 
 
 def populate_poller_interfaces_cache(warning_callback=lambda s: None):
-    no_lab_cache_key = 'classifier-cache:poller-interfaces:all:no-lab'
+    no_lab_cache_key = 'classifier-cache:poller-interfaces:all:no_lab'
     all_cache_key = 'classifier-cache:poller-interfaces:all'
     non_lab_populated_interfaces = None
     all_populated_interfaces = None
diff --git a/test/test_worker.py b/test/test_worker.py
index 7d6d59d86b8ba2c7a5f465e55ed1965f9fc41810..0fe1c927cac93b97abdd1d01e0b67f0e762aab1a 100644
--- a/test/test_worker.py
+++ b/test/test_worker.py
@@ -499,10 +499,10 @@ def test_populate_poller_interfaces_cache(
                  return_value=r)
 
     populate_poller_interfaces_cache()
-    assert r.exists("classifier-cache:poller-interfaces:all:no-lab")
+    assert r.exists("classifier-cache:poller-interfaces:all:no_lab")
     assert r.exists("classifier-cache:poller-interfaces:all")
     no_lab = \
-        r.get("classifier-cache:poller-interfaces:all:no-lab").decode("utf-8")
+        r.get("classifier-cache:poller-interfaces:all:no_lab").decode("utf-8")
     all = r.get("classifier-cache:poller-interfaces:all").decode("utf-8")
     assert json.loads(no_lab) == no_lab_res
     all_res = no_lab_res + lab_res