diff --git a/core/layout_api.php b/core/layout_api.php
index 9d69bd9a17..a88140dac3 100644
--- a/core/layout_api.php
+++ b/core/layout_api.php
@@ -1104,7 +1104,7 @@ function layout_footer() {
 	}
 	echo '<div class="col-md-6 col-xs-12 no-padding">' . "\n";
 	echo '<address>' . "\n";
-	echo '<strong>Powered by <a href="http://www.mantisbt.org" title="bug tracking software">MantisBT ' . $t_version_suffix . '</a></strong> <br>' . "\n";
+	echo '<strong>Powered by <a href="https://www.mantisbt.org" title="bug tracking software">MantisBT ' . $t_version_suffix . '</a></strong> <br>' . "\n";
 	echo "<small>Copyright &copy;$t_copyright_years MantisBT Team</small>" . '<br>';
 
 	# Show optional user-specified custom copyright statement
@@ -1129,7 +1129,7 @@ function layout_footer() {
 		echo '<div class="col-md-6 col-xs-12">' . "\n";
 		echo '<div class="pull-right" id="powered-by-mantisbt-logo">' . "\n";
 		$t_mantisbt_logo_url = helper_mantis_url( 'images/mantis_logo.png' );
-		echo '<a href="http://www.mantisbt.org" '.
+		echo '<a href="https://www.mantisbt.org" '.
 			'title="Mantis Bug Tracker: a free and open source web based bug tracking system.">' .
 			'<img src="' . $t_mantisbt_logo_url . '" width="102" height="35" ' .
 			'alt="Powered by Mantis Bug Tracker: a free and open source web based bug tracking system." />' .