diff --git a/media/codec2/hal/client/client.cpp b/media/codec2/hal/client/client.cpp
index accb9fd..e3f8b1c 100644
--- a/media/codec2/hal/client/client.cpp
+++ b/media/codec2/hal/client/client.cpp
@@ -1953,7 +1953,8 @@
         std::shared_ptr<Codec2Client::Configurable>* configurable) {
     if (mAidlBase) {
         c2_aidl::IComponent::BlockPool aidlBlockPool;
-        ::ndk::ScopedAStatus transStatus = mAidlBase->createBlockPool(id, &aidlBlockPool);
+        ::ndk::ScopedAStatus transStatus = mAidlBase->createBlockPool(static_cast<int32_t>(id),
+                                                                      &aidlBlockPool);
         c2_status_t status = GetC2Status(transStatus, "createBlockPool");
         if (status != C2_OK) {
             return status;