diff --git a/lib/ransack/adapters/active_record/context.rb b/lib/ransack/adapters/active_record/context.rb
index e28fd812..e6f9f910 100644
--- a/lib/ransack/adapters/active_record/context.rb
+++ b/lib/ransack/adapters/active_record/context.rb
@@ -201,7 +201,12 @@ def extract_correlated_key(join_root)
               nil
             end
           when Arel::Nodes::And
-            extract_correlated_key(join_root.left) || extract_correlated_key(join_root.right)
+            # And may have multiple children, so we need to check all, not via left/right
+            join_root.children.each do |child|
+              key = extract_correlated_key(child)
+              return key if key
+            end
+            nil
           else
             # eg parent was Arel::Nodes::And and the evaluated side was one of
             # Arel::Nodes::Grouping or MultiTenant::TenantEnforcementClause
diff --git a/spec/ransack/adapters/active_record/context_spec.rb b/spec/ransack/adapters/active_record/context_spec.rb
index cd27f80b..3dfc0971 100644
--- a/spec/ransack/adapters/active_record/context_spec.rb
+++ b/spec/ransack/adapters/active_record/context_spec.rb
@@ -97,6 +97,25 @@ module ActiveRecord
 
             expect(search.result.to_sql).to match /.comments.\..person_id. = .people.\..id./
           end
+
+          it 'build correlated subquery for polymorphic & default_scope when predicate is not_cont_all' do
+            search = Search.new(Article,
+             g: [
+               {
+                 m: "and",
+                 c: [
+                   {
+                     a: ["recent_notes_note"],
+                     p: "not_eq",
+                     v: ["some_note"],
+                   }
+                 ]
+               }
+             ],
+            )
+
+            expect(search.result.to_sql).to include '("notes"."note" != \'some_note\')'
+          end
         end
 
         describe 'sharing context across searches' do
diff --git a/spec/support/schema.rb b/spec/support/schema.rb
index 02e5b4a1..1d4bd021 100644
--- a/spec/support/schema.rb
+++ b/spec/support/schema.rb
@@ -165,6 +165,7 @@ class Article < ApplicationRecord
   has_many :comments
   has_and_belongs_to_many :tags
   has_many :notes, as: :notable
+  has_many :recent_notes, as: :notable
 
   alias_attribute :content, :body
 
@@ -246,6 +247,13 @@ class Note < ApplicationRecord
   belongs_to :notable, polymorphic: true
 end
 
+class RecentNote < ApplicationRecord
+  self.table_name = "notes"
+  default_scope { where(notable_id: 1) }
+
+  belongs_to :notable, polymorphic: true
+end
+
 class Account < ApplicationRecord
   belongs_to :agent_account, class_name: "Account"
   belongs_to :trade_account, class_name: "Account"