diff --git a/3.0/modules/keeporiginal/helpers/keeporiginal_event.php b/3.0/modules/keeporiginal/helpers/keeporiginal_event.php
index 982eb808..5652bee6 100644
--- a/3.0/modules/keeporiginal/helpers/keeporiginal_event.php
+++ b/3.0/modules/keeporiginal/helpers/keeporiginal_event.php
@@ -20,10 +20,10 @@
 class keeporiginal_event_Core {
   static function graphics_rotate($input_file, $output_file, $options) {
     // Make a copy of the original fullsized image before rotating it.
-    self::preserve($input_file);
+    self::_preserve($input_file);
   }
 
-  static function preserve($input_file) {
+  static function _preserve($input_file) {
     //   If $input_file is located in VARPATH/albums/ then assume its a fullsize photo.
     if (strncmp($input_file, VARPATH . "albums/", strlen(VARPATH . "albums/")) == 0) {
       // Figure out where the original copy should be stashed at.
@@ -76,7 +76,7 @@ class keeporiginal_event_Core {
     if ($old->is_photo() || $old->is_album()) {
       $data_file = $new->get_data_file();
       if (isset($data_file)) {
-        self::preserve($old->file_path());
+        self::_preserve($old->file_path());
       }
       if ($old->file_path() != $new->file_path()) {
         $old_original = VARPATH . "original/" . str_replace(VARPATH . "albums/", "", $old->file_path());