diff --git a/modules/tome_static/src/StaticGenerator.php b/modules/tome_static/src/StaticGenerator.php
index fdf555f..686d1b0 100644
--- a/modules/tome_static/src/StaticGenerator.php
+++ b/modules/tome_static/src/StaticGenerator.php
@@ -256,7 +256,7 @@ class StaticGenerator implements StaticGeneratorInterface {
 
     foreach ($invoke_paths as $i => &$invoke_path) {
       $invoke_path = $this->makeExternalUrlLocal($invoke_path);
-      if (UrlHelper::isExternal($invoke_path)) {
+      if (UrlHelper::isExternal($invoke_path) || strpos($invoke_path, 'data:') === 0) {
         unset($invoke_paths[$i]);
         continue;
       }