diff --git a/src/compile/render-dom/index.ts b/src/compile/render-dom/index.ts
index b080ddbc62..b2c70c6db1 100644
--- a/src/compile/render-dom/index.ts
+++ b/src/compile/render-dom/index.ts
@@ -290,7 +290,7 @@ export default function dom(
 				}
 			});
 
-			if (!customElements.get(${component.tag})) {
+			if (!customElements.get("${component.tag}")) {
 				customElements.define("${component.tag}", ${name});
 			}
 		`);