diff --git a/CHANGELOG b/CHANGELOG
index 07baad014..f12eb289a 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,7 @@
 # 3.30.1 (2026-XX-XX)
 
  * Speed up reading object attributes backed by getters or class constants
+ * Fix the sandbox not reporting the line of a rejected `guard` tag
 
 # 3.30.0 (2026-09-25)
 
diff --git a/src/TokenParser/GuardTokenParser.php b/src/TokenParser/GuardTokenParser.php
index eb4886579..7aba0f0d9 100644
--- a/src/TokenParser/GuardTokenParser.php
+++ b/src/TokenParser/GuardTokenParser.php
@@ -59,7 +59,7 @@ final class GuardTokenParser extends AbstractTokenParser
         }
         $stream->expect(Token::BLOCK_END_TYPE);
 
-        return new Nodes([$exists ? $body : $else]);
+        return new Nodes([$exists ? $body : $else], $token->getLine());
     }
 
     public function decideGuardFork(Token $token): bool
diff --git a/tests/Extension/SandboxTest.php b/tests/Extension/SandboxTest.php
index 3a975f116..2c50033dd 100644
--- a/tests/Extension/SandboxTest.php
+++ b/tests/Extension/SandboxTest.php
@@ -142,6 +142,7 @@ class SandboxTest extends TestCase
         yield ['flush', '{% flush %}'];
         yield ['for', '{% for i in 1..2 %}{% endfor %}'];
         yield ['from', '{% from "macros" import foo %}'];
+        yield ['guard', '{% guard function max %}{% endguard %}'];
         yield ['if', '{% if false %}{% endif %}'];
         yield ['import', '{% import "macros" as macros %}'];
         yield ['include', '{% include "macros" %}'];