diff --git a/cmds/servicemanager/main.cpp b/cmds/servicemanager/main.cpp
index 86a45e61..ae56cb0 100644
--- a/cmds/servicemanager/main.cpp
+++ b/cmds/servicemanager/main.cpp
@@ -125,6 +125,8 @@
     ps->setThreadPoolMaxThreadCount(0);
     ps->setCallRestriction(ProcessState::CallRestriction::FATAL_IF_NOT_ONEWAY);
 
+    IPCThreadState::self()->disableBackgroundScheduling(true);
+
     sp<ServiceManager> manager = sp<ServiceManager>::make(std::make_unique<Access>());
     if (!manager->addService("manager", manager, false /*allowIsolated*/, IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT).isOk()) {
         LOG(ERROR) << "Could not self register servicemanager";