diff --git a/src/core/render/compiler.js b/src/core/render/compiler.js
index e1cd9bf4c..9d6536d0f 100644
--- a/src/core/render/compiler.js
+++ b/src/core/render/compiler.js
@@ -19,7 +19,7 @@ export function getAndRemoveConfig(str = '') {
     str = str
       .replace(/^'/, '')
       .replace(/'$/, '')
-      .replace(/:([\w-]+)=?([\w-]+)?/g, (m, key, value) => {
+      .replace(/(?:^|\s):([\w-]+)=?([\w-]+)?/g, (m, key, value) => {
         config[key] = (value && value.replace(/"/g, '')) || true
         return ''
       })