diff --git a/activeresource/lib/active_resource/base.rb b/activeresource/lib/active_resource/base.rb
index 0311419fd6c20..41ffb5413b0be 100644
--- a/activeresource/lib/active_resource/base.rb
+++ b/activeresource/lib/active_resource/base.rb
@@ -1020,7 +1020,13 @@ def load(attributes)
           case value
             when Array
               resource = find_or_create_resource_for_collection(key)
-              value.map { |attrs| attrs.is_a?(String) ? attrs.dup : resource.new(attrs) }
+              value.map do |attrs|
+                if attrs.is_a?(String) || attrs.is_a?(Numeric)
+                  attrs.duplicable? ? attrs.dup : attrs
+                else
+                  resource.new(attrs)
+                end
+              end
             when Hash
               resource = find_or_create_resource_for(key)
               resource.new(value)
diff --git a/activeresource/test/base/load_test.rb b/activeresource/test/base/load_test.rb
index 035bd965c2cc9..5f5a580445feb 100644
--- a/activeresource/test/base/load_test.rb
+++ b/activeresource/test/base/load_test.rb
@@ -51,7 +51,9 @@ def setup
       :id => 1, :state => { :id => 1, :name => 'Oregon',
         :notable_rivers => [
           { :id => 1, :name => 'Willamette' },
-          { :id => 2, :name => 'Columbia', :rafted_by => @matz }] }}}
+          { :id => 2, :name => 'Columbia', :rafted_by => @matz }],
+        :postal_codes => [97018,1234567890],
+        :places => ["Columbia City", "Unknown"]}}}
 
     @person = Person.new
   end
@@ -127,6 +129,19 @@ def test_recursively_loaded_collections
     assert_kind_of Person::Street::State::NotableRiver, rivers.first
     assert_equal @deep[:street][:state][:notable_rivers].first[:id], rivers.first.id
     assert_equal @matz[:id], rivers.last.rafted_by.id
+
+    postal_codes = state.postal_codes
+    assert_kind_of Array, postal_codes
+    assert_equal 2, postal_codes.size
+    assert_kind_of Fixnum, postal_codes.first
+    assert_equal @deep[:street][:state][:postal_codes].first, postal_codes.first
+    assert_kind_of Bignum, postal_codes.last
+    assert_equal @deep[:street][:state][:postal_codes].last, postal_codes.last
+
+    places = state.places
+    assert_kind_of Array, places
+    assert_kind_of String, places.first
+    assert_equal @deep[:street][:state][:places].first, places.first
   end
   
   def test_nested_collections_within_the_same_namespace