diff --git a/library/X509/Schedule.php b/library/X509/Schedule.php
index 2af81834..8c146033 100644
--- a/library/X509/Schedule.php
+++ b/library/X509/Schedule.php
@@ -320,7 +320,7 @@ protected function getScanTargets(): Generator
             }
 
             foreach ($targets as $target) {
-                $addr = gmp_import($target->ip);
+                $addr = gmp_import(static::binary($target->ip));
                 $addrFound = false;
                 foreach ($this->job->getCIDRs() as $cidr) {
                     list($subnet, $mask) = $cidr;