diff --git a/mod/glossary/report.php b/mod/glossary/report.php
index a5c9ae06588..03133a8c6c8 100644
--- a/mod/glossary/report.php
+++ b/mod/glossary/report.php
@@ -79,6 +79,6 @@
         echo "<br />";
     }
 
-    close_window_button();
+    echo $OUTPUT->close_window_button();
     print_footer('none');
 ?>
diff --git a/mod/glossary/showentry.php b/mod/glossary/showentry.php
index e3f1f6cad21..e63459b6213 100644
--- a/mod/glossary/showentry.php
+++ b/mod/glossary/showentry.php
@@ -64,7 +64,7 @@
         glossary_print_dynaentry($courseid, $entries, $displayformat);
     }
 
-    close_window_button();
+    echo $OUTPUT->close_window_button();
 
 /// Show one reduced footer
     print_footer('none');