diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb
index 3cee9c7af2725..07bc50c8866ab 100755
--- a/activerecord/lib/active_record/associations.rb
+++ b/activerecord/lib/active_record/associations.rb
@@ -2198,7 +2198,7 @@ def association_join
             protected
 
               def aliased_table_name_for(name, suffix = nil)
-                if !parent.table_joins.blank? && parent.table_joins.to_s.downcase =~ %r{join(\s+\w+)?\s+#{name.downcase}\son}
+                if !parent.table_joins.blank? && parent.table_joins.to_s.downcase =~ %r{join(\s+\w+)?\s+#{active_record.connection.quote_table_name name.downcase}\son}
                   @join_dependency.table_aliases[name] += 1
                 end
 
diff --git a/activerecord/lib/active_record/associations/has_many_through_association.rb b/activerecord/lib/active_record/associations/has_many_through_association.rb
index a0bb3a45b0b50..2eeeb28d1f2d5 100644
--- a/activerecord/lib/active_record/associations/has_many_through_association.rb
+++ b/activerecord/lib/active_record/associations/has_many_through_association.rb
@@ -160,9 +160,9 @@ def construct_joins(custom_joins = nil)
           end
 
           "INNER JOIN %s ON %s.%s = %s.%s %s #{@reflection.options[:joins]} #{custom_joins}" % [
-            @reflection.through_reflection.table_name,
-            @reflection.table_name, reflection_primary_key,
-            @reflection.through_reflection.table_name, source_primary_key,
+            @reflection.through_reflection.quoted_table_name,
+            @reflection.quoted_table_name, reflection_primary_key,
+            @reflection.through_reflection.quoted_table_name, source_primary_key,
             polymorphic_join
           ]
         end
diff --git a/activerecord/test/cases/associations/has_many_through_associations_test.rb b/activerecord/test/cases/associations/has_many_through_associations_test.rb
index 0bfda337b235d..ad6a5d68405f9 100644
--- a/activerecord/test/cases/associations/has_many_through_associations_test.rb
+++ b/activerecord/test/cases/associations/has_many_through_associations_test.rb
@@ -204,6 +204,10 @@ def test_count_with_include_should_alias_join_table
     assert_equal 2, people(:michael).posts.count(:include => :readers)
   end
 
+  def test_inner_join_with_quoted_table_name
+    assert_equal 2, people(:michael).jobs.size
+  end
+
   def test_get_ids
     assert_equal [posts(:welcome).id, posts(:authorless).id].sort, people(:michael).post_ids.sort
   end