diff --git a/inventory_provider/routes/poller.py b/inventory_provider/routes/poller.py
index 78a070090917de521df816d15b85447bfb7ca25d..ad87d6866e6f017371e2efcbca720cb52543af5b 100644
--- a/inventory_provider/routes/poller.py
+++ b/inventory_provider/routes/poller.py
@@ -91,7 +91,7 @@ def service_category_interfaces(category):
     result = []
 
     r = common.get_current_redis()
-    for k in r.scan_iter(f'interface-services:{category}:*'):
+    for k in r.scan_iter(f'interface-services:{category.lower()}:*'):
         ifc = r.get(k.decode('utf-8'))
         result.append(json.loads(ifc.decode('utf-8')))