diff --git a/.github/workflows/wasm-size.yml b/.github/workflows/wasm-size.yml
index bfabe08e84ef..4bf6cb7bd518 100644
--- a/.github/workflows/wasm-size.yml
+++ b/.github/workflows/wasm-size.yml
@@ -50,8 +50,8 @@ jobs:
     steps:
       - name: Checkout base branch
         uses: actions/checkout@v4
-        # with:
-        #   ref: ${{ github.event.pull_request.base.sha }}
+        with:
+          ref: ${{ github.event.pull_request.base.sha }}
 
       - uses: ./.github/workflows/include/rust-wasm-setup