diff --git a/cas/aidl/default/service.cpp b/cas/aidl/default/service.cpp
index bed2f01267..076c7bb84a 100644
--- a/cas/aidl/default/service.cpp
+++ b/cas/aidl/default/service.cpp
@@ -31,6 +31,7 @@ using aidl::android::hardware::cas::MediaCasService;
 
 int main() {
     ABinderProcess_setThreadPoolMaxThreadCount(8);
+    ABinderProcess_startThreadPool();
 
     // Setup hwbinder service
     std::shared_ptr<MediaCasService> service = ::ndk::SharedRefBase::make<MediaCasService>();