diff --git a/lib/accesslib.php b/lib/accesslib.php
index 77caf567084..68cbc404b4b 100755
--- a/lib/accesslib.php
+++ b/lib/accesslib.php
@@ -3092,7 +3092,7 @@ function get_component_string($component, $contextlevel) {
         break;
 
         case CONTEXT_BLOCK:
-            $string = get_string('blockname', 'block_'.$component.'.php');
+            $string = get_string('blockname', 'block_'.basename($component));
         break;
 
         default: