diff --git a/lib/private/Security/Ip/Range.php b/lib/private/Security/Ip/Range.php
index 39c03677f8100..e32b7a5abc095 100644
--- a/lib/private/Security/Ip/Range.php
+++ b/lib/private/Security/Ip/Range.php
@@ -10,6 +10,7 @@
 
 use InvalidArgumentException;
 use IPLib\Factory;
+use IPLib\ParseStringFlag;
 use IPLib\Range\RangeInterface;
 use OCP\Security\Ip\IAddress;
 use OCP\Security\Ip\IRange;
@@ -30,7 +31,7 @@ public static function isValid(string $range): bool {
 	}
 
 	public function contains(IAddress $address): bool {
-		return $this->range->contains(Factory::parseAddressString((string)$address));
+		return $this->range->contains(Factory::parseAddressString((string)$address, ParseStringFlag::MAY_INCLUDE_ZONEID));
 	}
 
 	public function __toString(): string {