diff --git a/inventory_provider/routes/classifier.py b/inventory_provider/routes/classifier.py
index 7cf5ae0c22eb0e4b0eaa1b833f8965b67aa41922..2c9f7f415224944f5df175290a8d941275de0540 100644
--- a/inventory_provider/routes/classifier.py
+++ b/inventory_provider/routes/classifier.py
@@ -77,7 +77,7 @@ def get_trap_metadata(source_equipment, interface):
         def _related_services():
             for related in related_interfaces(source_equipment, interface):
                 rs = r.get('opsdb:interface_services:%s:%s'
-                          % (source_equipment, related))
+                           % (source_equipment, related))
                 if rs:
                     for s in json.loads(rs.decode('utf-8')):
                         yield s