diff --git a/virtualizationmanager/src/main.rs b/virtualizationmanager/src/main.rs
index b2a734a..a31fd0a 100644
--- a/virtualizationmanager/src/main.rs
+++ b/virtualizationmanager/src/main.rs
@@ -30,10 +30,10 @@
 use lazy_static::lazy_static;
 use log::{info, LevelFilter};
 use rpcbinder::{FileDescriptorTransportMode, RpcServer};
-use std::os::unix::io::{FromRawFd, OwnedFd, RawFd};
+use std::os::unix::io::{AsFd, FromRawFd, OwnedFd, RawFd};
 use clap::Parser;
 use nix::fcntl::{fcntl, F_GETFD, F_SETFD, FdFlag};
-use nix::unistd::{Pid, Uid};
+use nix::unistd::{write, Pid, Uid};
 use std::os::unix::raw::{pid_t, uid_t};
 
 const LOG_TAG: &str = "virtmgr";
@@ -138,6 +138,8 @@
     info!("Started VirtualizationService RpcServer. Ready to accept connections");
 
     // Signal readiness to the caller by closing our end of the pipe.
+    write(ready_fd.as_fd(), "o".as_bytes())
+        .expect("Failed to write a single character through ready_fd");
     drop(ready_fd);
 
     server.join();