diff --git a/tests/IpTest.php b/tests/IpTest.php
index 2950a5922b..0882b5ff04 100644
--- a/tests/IpTest.php
+++ b/tests/IpTest.php
@@ -46,7 +46,6 @@ class IpTest extends TestCase
         $this->assertTrue(IP::isValid('8.8.8.8', true));
         $this->assertTrue(IPv4::isValid('192.168.0.1', true));
         $this->assertTrue(IPv6::isValid('FF81::', true));
-        $this->assertTrue(IPv6::isValid('2001:db8:85a3::8a2e:370:7334', true));
         $this->assertFalse(IPv4::isValid('127.0.0.1', true));
         $this->assertFalse(IPv6::isValid('::1', true));
         $this->assertFalse(IP::isValid('169.254.1.1', true));
@@ -55,6 +54,16 @@ class IpTest extends TestCase
         $this->assertFalse(IP::isValid('Falafel', true));
     }
 
+    /**
+     * See https://github.com/librenms/librenms/pull/13468 for more info
+     *
+     * @requires PHP >= 7.4
+     */
+    public function testIsValidIPv6ExcludeReserved(): void
+    {
+        $this->assertFalse(IPv6::isValid('2001:db8:85a3::8a2e:370:7334', true));
+    }
+
     public function testIpParse()
     {
         $this->assertEquals('192.168.0.1', IP::parse('192.168.0.1'));