diff --git a/lib/style-compiler/plugins/scope-id.js b/lib/style-compiler/plugins/scope-id.js
index b8c217686..e38d2352d 100644
--- a/lib/style-compiler/plugins/scope-id.js
+++ b/lib/style-compiler/plugins/scope-id.js
@@ -27,6 +27,11 @@ module.exports = postcss.plugin('add-id', ({ id }) => root => {
             n.spaces.before = n.spaces.after = ''
             return false
           }
+          // ::v-deep pseudo
+          if (n.type === 'pseudo' && n.value === '::v-deep') {
+            n.value = n.spaces.before = n.spaces.after = ''
+            return false
+          }
           // /deep/ alias for >>>, since >>> doesn't work in SASS
           if (n.type === 'tag' && n.value === '/deep/') {
             const prev = n.prev()