diff --git a/src/ListView.php b/src/ListView.php
index 2922c9ff8..2545768be 100644
--- a/src/ListView.php
+++ b/src/ListView.php
@@ -138,8 +138,12 @@ public function itemView(string|Closure $value): self
 
     public function itemViewTag(?string $tag): self
     {
+        if ($tag === '') {
+            throw new InvalidArgumentException('Tag name cannot be empty.');
+        }
+
         $new = clone $this;
-        $new->itemViewTag= $tag;
+        $new->itemViewTag = $tag;
         return $new;
     }