diff --git a/app/controllers/pool_versions_controller.rb b/app/controllers/pool_versions_controller.rb
index d91468644..782f48b3f 100644
--- a/app/controllers/pool_versions_controller.rb
+++ b/app/controllers/pool_versions_controller.rb
@@ -2,7 +2,7 @@ class PoolVersionsController < ApplicationController
   respond_to :html, :xml, :js
 
   def index
-    if params[:search] && params[:search][:pool_id]
+    if params[:search] && params[:search][:pool_id].present?
       @pool = Pool.find(params[:search][:pool_id])
     end