diff --git a/plugins/DomainStatusNetwork/extlib/regDomain.inc.php b/plugins/DomainStatusNetwork/extlib/regDomain.inc.php
index 389f6c4295..076c7b8714 100644
--- a/plugins/DomainStatusNetwork/extlib/regDomain.inc.php
+++ b/plugins/DomainStatusNetwork/extlib/regDomain.inc.php
@@ -37,7 +37,7 @@ function getRegisteredDomain($signingDomain) {
 
 	global $tldTree;
 
-	$signingDomainParts = split('\.', $signingDomain);
+	$signingDomainParts = explode('.', $signingDomain);
 
 	$result = findRegisteredDomain($signingDomainParts, $tldTree);
 
@@ -80,4 +80,4 @@ function findRegisteredDomain($remainingSigningDomainParts, &$treeNode) {
 	return NULL;
 }
 
-?>
\ No newline at end of file
+?>