diff --git a/config.php-dist b/config.php-dist
index 824c378a7..ae34b4f15 100644
--- a/config.php-dist
+++ b/config.php-dist
@@ -38,7 +38,7 @@
 	// background processes while not running tt-rss, this method is generally
 	// viable to keep your feeds up to date.
 	// Still, there are more robust (and recommended) updating methods
-	// available, you can read about them here: http://tt-rss.org/wiki/UpdatingFeeds
+	// available, you can read about them here: https://tt-rss.org/wiki/UpdatingFeeds
 
 	// *****************************
 	// *** Files and directories ***
diff --git a/include/functions.php b/include/functions.php
index 4209cf6fa..c2cc4a292 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -666,7 +666,7 @@
 
 		$sth = $pdo->prepare("insert into ttrss_feeds (owner_uid,title,feed_url)
 			values (?, 'Tiny Tiny RSS: Forum',
-				'http://tt-rss.org/forum/rss.php')");
+				'https://tt-rss.org/forum/rss.php')");
 		$sth->execute([$uid]);
 	}
 
diff --git a/prefs.php b/prefs.php
index 51699cef9..d55f1bc52 100644
--- a/prefs.php
+++ b/prefs.php
@@ -163,11 +163,11 @@
         </div>
 		<?php $version = get_version($git_commit, $git_timestamp, $last_error); ?>
 		<div id="footer" dojoType="dijit.layout.ContentPane" region="bottom">
-		<a class="text-muted" target="_blank" href="http://tt-rss.org/">Tiny Tiny RSS</a>
+		<a class="text-muted" target="_blank" href="https://tt-rss.org/">Tiny Tiny RSS</a>
 			<span title="<?php echo htmlspecialchars($last_error) ?>">v<?php echo $version ?></span>
         &copy; 2005-<?php echo date('Y') ?>
         <a class="text-muted" target="_blank"
-        href="http://fakecake.org/">Andrew Dolgov</a>
+        href="https://fakecake.org/">Andrew Dolgov</a>
     </div> <!-- footer -->
 </div>