diff --git a/mod/imscp/locallib.php b/mod/imscp/locallib.php
index f2755cf9856..04640f29ce8 100644
--- a/mod/imscp/locallib.php
+++ b/mod/imscp/locallib.php
@@ -61,10 +61,15 @@ function imscp_print_content($imscp, $cm, $course) {
 function imscp_htmllize_item($item, $imscp, $cm) {
     global $CFG;
 
-    $context = context_module::instance($cm->id);
-    $urlbase = "$CFG->wwwroot/pluginfile.php";
-    $path = '/'.$context->id.'/mod_imscp/content/'.$imscp->revision.'/'.$item['href'];
-    $url = file_encode_url($urlbase, $path, false);
+    if (strpos($item['href'], 'http://') === 0) {
+        $url = $item['href'];
+    }
+    else {
+        $context = context_module::instance($cm->id);
+        $urlbase = "$CFG->wwwroot/pluginfile.php";
+        $path = '/'.$context->id.'/mod_imscp/content/'.$imscp->revision.'/'.$item['href'];
+        $url = file_encode_url($urlbase, $path, false);
+    }
     $result = "<li><a href=\"$url\">".$item['title'].'</a>';
     if ($item['subitems']) {
         $result .= '<ul>';