diff --git a/mod/scorm/locallib.php b/mod/scorm/locallib.php
index f51d8c9..cc57f58 100755
--- a/mod/scorm/locallib.php
+++ b/mod/scorm/locallib.php
@@ -748,6 +748,13 @@ function scorm_simple_play($scorm,$user, $context) {
 
     $scoes = get_records_select('scorm_scoes','scorm='.$scorm->id.' AND launch<>\''.sql_empty().'\'', 'id', 'id');
 
+    global $CFG;
+    $scorm->version = strtolower(clean_param($scorm->version, PARAM_SAFEDIR));   // Just to be safe
+    if (!file_exists($CFG->dirroot.'/mod/scorm/datamodels/'.$scorm->version.'lib.php')) {
+        $scorm->version = 'scorm_12';
+    }
+    require_once($CFG->dirroot.'/mod/scorm/datamodels/'.$scorm->version.'lib.php');
+
     if ($scoes) {
         if ($scorm->skipview >= 1) {
             $sco = current($scoes);