diff --git a/CHANGELOG.md b/CHANGELOG.md
index 363e247..e504077 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 
 # Changelog
 
+Version 1.2.3:
+
+* Fix table name for namespaced and inherited models #70 #67
+
 Version 1.2.2:
 
 * Fix table name for namespaced models #70
diff --git a/lib/search_cop/query_builder.rb b/lib/search_cop/query_builder.rb
index d098bdd..d340dcb 100644
--- a/lib/search_cop/query_builder.rb
+++ b/lib/search_cop/query_builder.rb
@@ -12,7 +12,7 @@ def initialize(model, query, scope, query_options)
     end
 
     def associations
-      all_associations - [query_info.model.table_name.to_sym]
+      all_associations - [query_info.model.name.tableize.to_sym] - [query_info.model.table_name.to_sym]
     end
 
     private
diff --git a/lib/search_cop/search_scope.rb b/lib/search_cop/search_scope.rb
index 62cd120..fbf06c8 100644
--- a/lib/search_cop/search_scope.rb
+++ b/lib/search_cop/search_scope.rb
@@ -55,7 +55,7 @@ def generator(name, &block)
     def attributes_hash(hash)
       hash.each do |key, value|
         reflection.attributes[key.to_s] = Array(value).collect do |column|
-          table, attribute = column.to_s =~ /\./ ? column.to_s.split(".") : [model.table_name, column]
+          table, attribute = column.to_s =~ /\./ ? column.to_s.split(".") : [model.name.tableize, column]
 
           "#{table}.#{attribute}"
         end
diff --git a/lib/search_cop/version.rb b/lib/search_cop/version.rb
index 9333f92..a36055e 100644
--- a/lib/search_cop/version.rb
+++ b/lib/search_cop/version.rb
@@ -1,3 +1,3 @@
 module SearchCop
-  VERSION = "1.2.2"
+  VERSION = "1.2.3"
 end
diff --git a/test/namespace_test.rb b/test/namespace_test.rb
deleted file mode 100644
index a528c4c..0000000
--- a/test/namespace_test.rb
+++ /dev/null
@@ -1,23 +0,0 @@
-require File.expand_path("test_helper", __dir__)
-
-class NamespaceTest < SearchCop::TestCase
-  def test_model_namespace
-    expected = create(:product, title: "Expected")
-    rejected = create(:product, title: "Rejected")
-
-    results = SomeNamespace::Product.search("Expected")
-
-    assert_includes results.map(&:id), expected.id
-    refute_includes results.map(&:id), rejected.id
-  end
-
-  def test_model_namespace_with_associations
-    expected = create(:product, user: create(:user, username: "Expected"))
-    rejected = create(:product, user: create(:user, username: "Rejected"))
-
-    results = SomeNamespace::Product.search("user:Expected")
-
-    assert_includes results.map(&:id), expected.id
-    refute_includes results.map(&:id), rejected.id
-  end
-end
diff --git a/test/search_cop_test.rb b/test/search_cop_test.rb
index ddbee07..524d740 100644
--- a/test/search_cop_test.rb
+++ b/test/search_cop_test.rb
@@ -70,6 +70,26 @@ def test_inherited_model
     refute_includes results, rejected
   end
 
+  def test_namespaced_model
+    expected = create(:blog_post, title: "Expected")
+    rejected = create(:blog_post, title: "Rejected")
+
+    results = Blog::Post.search("Expected")
+
+    assert_includes results, expected
+    refute_includes results, rejected
+  end
+
+  def test_namespaced_model_with_associations
+    expected = create(:blog_post, user: create(:user, username: "Expected"))
+    rejected = create(:blog_post, user: create(:user, username: "Rejected"))
+
+    results = Blog::Post.search("user:Expected")
+
+    assert_includes results, expected
+    refute_includes results, rejected
+  end
+
   def test_multiple
     product = create(:product, comments: [create(:comment, title: "Title", message: "Message")])
 
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 1d4d257..c19ccce 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -77,14 +77,14 @@ class Product < ActiveRecord::Base
   belongs_to :user
 end
 
-module SomeNamespace
-  class Product < ActiveRecord::Base
+module Blog
+  class Post < ActiveRecord::Base
     include SearchCop
 
     belongs_to :user
 
     search_scope :search do
-      attributes :title, :description
+      attributes :title, :content
       attributes user: ["user.username"]
     end
   end
@@ -98,6 +98,9 @@ class AvailableProduct < Product
   factory :product do
   end
 
+  factory :blog_post, class: Blog::Post do
+  end
+
   factory :available_product do
     available { true }
   end
@@ -110,6 +113,7 @@ class AvailableProduct < Product
 end
 
 ActiveRecord::Base.connection.execute "DROP TABLE IF EXISTS products"
+ActiveRecord::Base.connection.execute "DROP TABLE IF EXISTS posts"
 ActiveRecord::Base.connection.execute "DROP TABLE IF EXISTS comments"
 ActiveRecord::Base.connection.execute "DROP TABLE IF EXISTS users"
 
@@ -126,6 +130,12 @@ class AvailableProduct < Product
   t.string :notice
 end
 
+ActiveRecord::Base.connection.create_table :posts do |t|
+  t.references :user
+  t.string :title
+  t.text :content
+end
+
 ActiveRecord::Base.connection.create_table :comments do |t|
   t.references :product
   t.references :user