diff --git a/app/controllers/search_controller.rb b/app/controllers/search_controller.rb
index 0f0a4e6..f2d43be 100644
--- a/app/controllers/search_controller.rb
+++ b/app/controllers/search_controller.rb
@@ -43,7 +43,7 @@ class SearchController < ApplicationController
     begin; offset = params[:offset].to_time if params[:offset]; rescue; end
     
     # quick jump to an issue
-    if @question.match(/^#?(\d+)$/) && Issue.visible.find_by_id($1)
+    if @question.match(/^#?(\d+)$/) && $1.to_i <= 2147483647 && Issue.visible.find_by_id($1)
       redirect_to :controller => "issues", :action => "show", :id => $1
       return
     end
diff --git a/test/functional/search_controller_test.rb b/test/functional/search_controller_test.rb
index b062468..546034e 100644
--- a/test/functional/search_controller_test.rb
+++ b/test/functional/search_controller_test.rb
@@ -134,6 +134,12 @@ class SearchControllerTest < ActionController::TestCase
     assert_template 'index'
   end
   
+  def test_large_integer
+    get :index, :q => '4615713488'
+    assert_response :success
+    assert_template 'index'
+  end
+  
   def test_tokens_with_quotes
     get :index, :id => 1, :q => '"good bye" hello "bye bye"'
     assert_equal ["good bye", "hello", "bye bye"], assigns(:tokens)