diff --git a/src/html.js b/src/html.js
index 533db1a..1842aa3 100644
--- a/src/html.js
+++ b/src/html.js
@@ -48,7 +48,7 @@ const EVENT_PART = 5
 const ELEMENT_PART = 6
 const COMMENT_PART = 7
 
-const templateCache = new WeakMap()
+const TEMPLATE_CACHE = new Map()
 const walker = document.createTreeWalker(document, 129, null, false)
 
 function noop() {}
@@ -436,10 +436,11 @@ class ChildPart {
     }
   }
   #getTemplate(result) {
-    let template = templateCache.get(result.strings)
+    let template = TEMPLATE_CACHE.get(result.strings.join())
+
     if (template === void 0) {
       template = new Template(result, this.options)
-      templateCache.set(result.strings, template)
+      TEMPLATE_CACHE.set(result.strings.join(), template)
     }
     return template
   }
@@ -701,12 +702,13 @@ export function render(value, container, options = {}) {
   let part = container[WC_PART]
 
   if (part === void 0) {
-    container[WC_PART] = part = new ChildPart(
+    part = new ChildPart(
       container.insertBefore(createMarker(), null),
       null,
       void 0,
       options
     )
+    container[WC_PART] = part
   }
   part._$setValue(value)
 
@@ -720,10 +722,11 @@ export function html(strings, ...values) {
     values
   }
 }
-export function raw(str, ...args) {
-  let strings = args.length ? str.split('%s') : [str]
-  strings.raw = strings
-  return html(strings, ...args)
+
+export function raw(str, values = []) {
+  let strings = values.length ? str.split('%s') : [str]
+  strings.raw = true
+  return html(strings, ...values)
 }
 export function svg(strings, ...values) {
   return {