diff --git a/src/TwillUtil.php b/src/TwillUtil.php
index aa45ffb5d..cb93efe35 100644
--- a/src/TwillUtil.php
+++ b/src/TwillUtil.php
@@ -3,6 +3,7 @@
 namespace A17\Twill;
 
 use A17\Twill\Models\Contracts\TwillLinkableModel;
+use Illuminate\Database\Eloquent\Relations\Relation;
 use Illuminate\Support\Facades\Session;
 
 /**
@@ -57,13 +58,22 @@ public function clearTempStore(): void
     public function parseInternalLinks(string $content): string
     {
         return preg_replace_callback(
-            '/(#twillInternalLink::(.*)#(\d))/',
+            '/(#twillInternalLink::(.*?)#(\d+))/',
             function (array $data) {
                 if (isset($data[2], $data[3])) {
                     $modelClass = $data[2];
                     $id = $data[3];
 
+                    if (array_key_exists($modelClass, Relation::morphMap())) {
+                        $modelClass = Relation::morphMap()[$modelClass];
+                    }
+
                     $model = $modelClass::published()->where('id', $id)->first();
+
+                    if (!$model) {
+                        return url('404');
+                    }
+
                     if ($model instanceof TwillLinkableModel) {
                         return $model->getFullUrl();
                     }