diff --git a/lib/thinking_sphinx/active_record/attribute/sphinx_presenter.rb b/lib/thinking_sphinx/active_record/attribute/sphinx_presenter.rb
index 35bbff3ab..28b87fef0 100644
--- a/lib/thinking_sphinx/active_record/attribute/sphinx_presenter.rb
+++ b/lib/thinking_sphinx/active_record/attribute/sphinx_presenter.rb
@@ -4,7 +4,7 @@ class ThinkingSphinx::ActiveRecord::Attribute::SphinxPresenter
   SPHINX_TYPES = {
     :integer   => :uint,
     :boolean   => :bool,
-    :timestamp => :timestamp,
+    :timestamp => :uint,
     :float     => :float,
     :string    => :string,
     :bigint    => :bigint,
diff --git a/lib/thinking_sphinx/real_time/index.rb b/lib/thinking_sphinx/real_time/index.rb
index 634a16f48..f5db245e8 100644
--- a/lib/thinking_sphinx/real_time/index.rb
+++ b/lib/thinking_sphinx/real_time/index.rb
@@ -65,12 +65,10 @@ def append_unique_attribute(collection, attribute)
 
   def collection_for(attribute)
     case attribute.type
-    when :integer, :boolean
+    when :integer, :boolean, :timestamp
       attribute.multi? ? @rt_attr_multi : @rt_attr_uint
     when :string
       @rt_attr_string
-    when :timestamp
-      @rt_attr_timestamp
     when :float
       @rt_attr_float
     when :bigint
diff --git a/spec/thinking_sphinx/active_record/sql_source_spec.rb b/spec/thinking_sphinx/active_record/sql_source_spec.rb
index 9b0be0887..800e4cd29 100644
--- a/spec/thinking_sphinx/active_record/sql_source_spec.rb
+++ b/spec/thinking_sphinx/active_record/sql_source_spec.rb
@@ -325,14 +325,14 @@
       expect(source.sql_attr_string).to include('name')
     end
 
-    it "adds timestamp attributes to sql_attr_timestamp" do
+    it "adds timestamp attributes to sql_attr_uint" do
       source.attributes << double('attribute')
       allow(presenter).to receive_messages :declaration => 'created_at',
-        :collection_type => :timestamp
+        :collection_type => :uint
 
       source.render
 
-      expect(source.sql_attr_timestamp).to include('created_at')
+      expect(source.sql_attr_uint).to include('created_at')
     end
 
     it "adds float attributes to sql_attr_float" do