diff --git a/application/helpers/frontend_helper.php b/application/helpers/frontend_helper.php
index 8734e2c04aa..6a53728a841 100644
--- a/application/helpers/frontend_helper.php
+++ b/application/helpers/frontend_helper.php
@@ -108,7 +108,7 @@ function loadanswers()
                 else
                 {
                     //Only make session variables for those in insertarray[]
-                    if (in_array($column, $_SESSION['survey_'.$surveyid]['insertarray']))
+                    if (in_array($column, $_SESSION['survey_'.$surveyid]['insertarray']) && isset($_SESSION['survey_'.$surveyid]['fieldmap'][$column]))
                     {
                         if (($_SESSION['survey_'.$surveyid]['fieldmap'][$column]['type'] == 'N' ||
                         $_SESSION['survey_'.$surveyid]['fieldmap'][$column]['type'] == 'K' ||