diff --git a/server/lib/classes/letsencrypt.inc.php b/server/lib/classes/letsencrypt.inc.php
index f27b57804410492938cf5483b6b9b18d8e0afea6..efd60310b4da017c08d8ee5fa32905747581d741 100644
--- a/server/lib/classes/letsencrypt.inc.php
+++ b/server/lib/classes/letsencrypt.inc.php
@@ -252,7 +252,7 @@ class letsencrypt {
 
 		$le_domain_count = count($temp_domains);
 		if($le_domain_count > 100) {
-			$temp_domains = array_splice($temp_domains, 0, 100);
+			$temp_domains = array_slice($temp_domains, 0, 100);
 			$app->log("There were " . $le_domain_count . " domains in the domain list. LE only supports 100, so we strip the rest.", LOGLEVEL_WARN);
 		}