diff --git a/db/migrate/20100517153944_add_missing_response_time_exp_to_votes.rb b/db/migrate/20100517153944_add_missing_response_time_exp_to_votes.rb
index 328f45f..8f9d750 100644
--- a/db/migrate/20100517153944_add_missing_response_time_exp_to_votes.rb
+++ b/db/migrate/20100517153944_add_missing_response_time_exp_to_votes.rb
@@ -3,7 +3,11 @@ class AddMissingResponseTimeExpToVotes < ActiveRecord::Migration
 	  add_column :votes, :missing_response_time_exp, :string, :default => ""
 	  add_column :skips, :missing_response_time_exp, :string, :default => ""
 
+          begin
 	  recording_client_time_start_date = Vote.find(:all, :conditions => 'time_viewed IS NOT NULL', :order => 'created_at', :limit => 1).first.created_at 
+          rescue
+	   recording_client_time_start_date = nil
+          end
 	  Vote.find_each do |v|
 		  if v.created_at <= recording_client_time_start_date && v.time_viewed.nil?
 			  v.missing_response_time_exp = "missing"
--
libgit2 0.21.2