diff -u b/modules/tome_static/src/StaticGenerator.php b/modules/tome_static/src/StaticGenerator.php
--- b/modules/tome_static/src/StaticGenerator.php
+++ b/modules/tome_static/src/StaticGenerator.php
@@ -375,6 +375,12 @@
         }
       }
     }
+    /** @var \DOMElement $node */
+    foreach ($xpath->query('//svg/use') as $node) {
+      if ($node->hasAttribute('xlink:href')) {
+        $paths[] = $node->getAttribute('xlink:href');
+      }
+    }
     $rels = [
       'stylesheet',
       'shortcut icon',
@@ -385,13 +391,6 @@
         }
       }
     }
-    /** @var \DOMElement $svg */
-    // Export SVG paths.
-    foreach ($xpath->query('//svg/use') as $svg) {
-      if ($svg->hasAttribute('xlink:href')) {
-        $paths[] = $svg->getAttribute('xlink:href');
-      }
-    }
     $rels = [
       'stylesheet',
       'shortcut icon',
only in patch2:
unchanged:
--- a/modules/tome_static/tests/modules/tome_test/src/Controller/TestController.php
+++ b/modules/tome_static/tests/modules/tome_test/src/Controller/TestController.php
@@ -28,7 +28,7 @@ class TestController extends ControllerBase {
   public function testComplexPage(Request $request) {
     $module_path = drupal_get_path('module', 'tome_test');
     return [
-      '#markup' => "<p>Hello, complex world</p>
+      '#children' => "<p>Hello, complex world</p>
 <img src=\"/$module_path/assets/druplicon-1.png\">
 <img src=\"/$module_path/assets/file%20with%20space.png\">
 <img srcset=\"/$module_path/assets/srcset-test1.png 320w, /$module_path/assets/srcset-test2.png 420w\">
@@ -37,8 +37,8 @@ class TestController extends ControllerBase {
 <a href='http://www.google.com/external/path'></a>
 <a href='" . $request->getSchemeAndHttpHost() . "/absolute/path'></a>
 <a href='/path/with/destination?destination=foo&bar=baz'></a>
-<iframe src='/random/iframe'></iframe>",
-      '#allowed_tags' => ['img', 'p', 'source', 'a', 'iframe'],
+<iframe src='/random/iframe'></iframe>
+<svg><use xlink:href='/use.svg'></use></svg>",
       '#attached' => [
         'library' => [
           'tome_test/complex_page',
only in patch2:
unchanged:
--- a/modules/tome_static/tests/src/Kernel/StaticGeneratorTest.php
+++ b/modules/tome_static/tests/src/Kernel/StaticGeneratorTest.php
@@ -221,7 +221,8 @@ class StaticGeneratorTest extends TestBase {
     $this->assertNotContains('http://www.google.com/external/path', $invoke_paths);
     $this->assertContains('/path/with/destination?bar=baz', $invoke_paths);
     $this->assertContains('/random/iframe', $invoke_paths);
-    $this->assertContains("/core/assets/vendor/html5shiv/html5shiv.min.js?v=3.7.3", $invoke_paths);
+    $this->assertContains('/core/assets/vendor/html5shiv/html5shiv.min.js?v=3.7.3', $invoke_paths);
+    $this->assertContains('/use.svg', $invoke_paths);
 
     $static->exportPaths($invoke_paths);
     $base_dir = Settings::get('tome_static_directory');