diff --git a/libs/binder/RpcServer.cpp b/libs/binder/RpcServer.cpp
index 786e2db..7da6847 100644
--- a/libs/binder/RpcServer.cpp
+++ b/libs/binder/RpcServer.cpp
@@ -129,8 +129,8 @@
     }
 
     while (true) {
-        unique_fd clientFd(
-                TEMP_FAILURE_RETRY(accept4(mServer.get(), nullptr, 0 /*length*/, SOCK_CLOEXEC)));
+        unique_fd clientFd(TEMP_FAILURE_RETRY(
+                accept4(mServer.get(), nullptr, nullptr /*length*/, SOCK_CLOEXEC)));
 
         if (clientFd < 0) {
             ALOGE("Could not accept4 socket: %s", strerror(errno));