diff --git a/src/calibre/srv/opds.py b/src/calibre/srv/opds.py
index c5320319cf..be2fd0a4d3 100644
--- a/src/calibre/srv/opds.py
+++ b/src/calibre/srv/opds.py
@@ -491,8 +491,9 @@ def opds(ctx, rd):
         except KeyError:
             return x
 
+    fm = rc.db.field_metadata
     for category in sorted(categories, key=lambda x: sort_key(getter(x))):
-        if not rc.ctx.is_field_displayable(category):
+        if fm.is_ignorable_field(category) and not rc.ctx.is_field_displayable(category):
             continue
         if len(categories[category]) == 0:
             continue