diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index 3f5bd0f676..64c46ac5a0 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -925,7 +925,7 @@ function make_url_footnote($content) {
 		$link_url = $matches[2][$i];
 		$link_text = $matches[4][$i];
 		$content = str_replace($link_match, $link_text.' '.$link_number, $content);
-		$link_url = ((strtolower(substr($link_url,0,7)) != 'http://')||(strtolower(substr($link_url,0,7)) != 'https://')) ? get_settings('home') . $link_url : $link_url;
+		$link_url = ((strtolower(substr($link_url,0,7)) != 'http://') && (strtolower(substr($link_url,0,7)) != 'https://')) ? get_settings('home') . $link_url : $link_url;
 		$links_summary .= "\n".$link_number.' '.$link_url;
 	}
 	$content = strip_tags($content);