diff --git a/lib/resource/info.ex b/lib/resource/info.ex
index d7a7344..6b298ab 100644
--- a/lib/resource/info.ex
+++ b/lib/resource/info.ex
@@ -190,9 +190,9 @@ defmodule AshGraphql.Resource.Info do
   end
 
   @doc "May the specified field be filtered on?"
-  def filterable_field?(resource, field) do
+  def filterable_field?(resource, field_name) do
     filterable_fields = AshGraphql.Resource.Info.filterable_fields(resource)
 
-    is_nil(filterable_fields) or field.name in filterable_fields
+    is_nil(filterable_fields) or field_name in filterable_fields
   end
 end
diff --git a/test/support/resources/tag.ex b/test/support/resources/tag.ex
index 9def3ab..09b1e84 100644
--- a/test/support/resources/tag.ex
+++ b/test/support/resources/tag.ex
@@ -9,6 +9,8 @@ defmodule AshGraphql.Test.Tag do
   graphql do
     type(:tag)
 
+    filterable_fields [:name]
+
     queries do
       get :get_tag, :read
       list :get_tags, :read