diff --git a/packages/compiler-core/src/transforms/transformElement.ts b/packages/compiler-core/src/transforms/transformElement.ts
index 216e6cd63..3df966a8f 100644
--- a/packages/compiler-core/src/transforms/transformElement.ts
+++ b/packages/compiler-core/src/transforms/transformElement.ts
@@ -192,7 +192,7 @@ export function buildProps(
         } else if (name === 'style') {
           hasStyleBinding = true
         } else if (name !== 'key') {
-          dynamicPropNames.push(key.content)
+          dynamicPropNames.push(name)
         }
       }
     } else {