diff --git a/packages/compiler-ssr/src/index.ts b/packages/compiler-ssr/src/index.ts
index ef801364159..37333471b96 100644
--- a/packages/compiler-ssr/src/index.ts
+++ b/packages/compiler-ssr/src/index.ts
@@ -77,6 +77,7 @@ export function compile(
       on: noopDirectiveTransform,
       cloak: noopDirectiveTransform,
       once: noopDirectiveTransform,
+      memo: noopDirectiveTransform,
       ...(options.directiveTransforms || {}) // user transforms
     }
   })