diff --git a/booking.import_data.inc b/booking.import_data.inc
index 1fcb373..82494df 100644
--- a/booking.import_data.inc
+++ b/booking.import_data.inc
@@ -157,8 +157,8 @@ function booking_import_data_admin_submit($form, &$form_state)
 		// Pre-process some data
 		foreach($fields_to_import as $field) {
 			//make sure to skip the nid field since we can't update that
-			if ($field == 'nid') {
-				//do nothing
+			if (in_array($field, $unique_fields)) {
+				//Don't add this identifier to the list of updates
 			}
 			//convert the booking status to the number used internally
 			elseif ($field == 'booking_status') {
@@ -205,10 +205,11 @@ function booking_import_data_admin_submit($form, &$form_state)
 		}
 		
 		//handle study group processing
-		$update_text .= _booking_import_studygroup_info($record['nid'], $studygroups_update_array, $studygroup_roles_update_array);
+		if ($key == 'nid') {
+			$update_text .= _booking_import_studygroup_info($record['nid'], $studygroups_update_array, $studygroup_roles_update_array);
+			drupal_set_message(t("Updating record !nid as follows: !update", array('!nid' => $record['nid'], '!update' => $update_text)));
+		}
 
-		drupal_set_message(t("Updating record !nid as follows: !update", array('!nid' => $record['nid'], '!update' => $update_text)));
-		
 		//$args = $query->getArguments();
 		/*
 		watchdog('booking', "Update Query:<br />@info<br />Condition: @nid<br />Rows affected: @rows<br />Values: <br /><pre>@values</pre>",