diff --git a/lib/head.js b/lib/head.js
index 4f3b6a37af09776631aee9b9fef5f1139d37c990..52c56d6ec794d4bcb59cba62bb7586d03049656e 100644
--- a/lib/head.js
+++ b/lib/head.js
@@ -42,7 +42,7 @@ function onStateChange (head) {
   }
 }
 
-const METATYPES = ['name', 'httpEquiv', 'charSet', 'itemProp']
+const METATYPES = ['name', 'httpEquiv', 'charSet', 'itemProp', 'property']
 
 // returns a function for filtering head child elements
 // which shouldn't be duplicated, like <title/>.