diff --git a/salesforcewebform.module b/salesforcewebform.module
index 3400945..d4ae1b2 100644
--- a/salesforcewebform.module
+++ b/salesforcewebform.module
@@ -385,7 +385,9 @@ function salesforcewebform_process($node, $form, $form_state) {
       else {
         $fsubs = "";
         foreach($fvalue as $subkey=>$subvalue) {
-          $fsubs .= $subvalue.";";
+          if ($subvalue) {
+            $fsubs .= $subvalue.";";            
+          }
         }
         $all_fields[$fkey] = $fsubs;
       }