diff --git a/src/compiler/parser/index.js b/src/compiler/parser/index.js
index c4554dbbecc..1f578103162 100644
--- a/src/compiler/parser/index.js
+++ b/src/compiler/parser/index.js
@@ -559,8 +559,8 @@ function processAttrs (el) {
       // #6887 firefox doesn't update muted state if set via attribute
       // even immediately after element creation
       if (!el.component &&
-          platformMustUseProp(el.tag, el.attrsMap.type, name) &&
-          name === 'muted') {
+          name === 'muted' &&
+          platformMustUseProp(el.tag, el.attrsMap.type, name)) {
         addProp(el, name, 'true')
       }
     }