diff --git a/zipfuse/src/main.rs b/zipfuse/src/main.rs
index 8400a72..9411759 100644
--- a/zipfuse/src/main.rs
+++ b/zipfuse/src/main.rs
@@ -20,10 +20,11 @@
 
 mod inode;
 
-use anyhow::Result;
+use anyhow::{Context as AnyhowContext, Result};
 use clap::{App, Arg};
 use fuse::filesystem::*;
 use fuse::mount::*;
+use rustutils::system_properties;
 use std::collections::HashMap;
 use std::convert::TryFrom;
 use std::ffi::{CStr, CString};
@@ -52,6 +53,12 @@
                 .takes_value(false)
                 .help("Disallow the execution of binary files"),
         )
+        .arg(
+            Arg::with_name("readyprop")
+                .short('p')
+                .takes_value(true)
+                .help("Specify a property to be set when mount is ready"),
+        )
         .arg(Arg::with_name("ZIPFILE").required(true))
         .arg(Arg::with_name("MOUNTPOINT").required(true))
         .get_matches();
@@ -60,7 +67,8 @@
     let mount_point = matches.value_of("MOUNTPOINT").unwrap().as_ref();
     let options = matches.value_of("options");
     let noexec = matches.is_present("noexec");
-    run_fuse(zip_file, mount_point, options, noexec)?;
+    let ready_prop = matches.value_of("readyprop");
+    run_fuse(zip_file, mount_point, options, noexec, ready_prop)?;
     Ok(())
 }
 
@@ -70,6 +78,7 @@
     mount_point: &Path,
     extra_options: Option<&str>,
     noexec: bool,
+    ready_prop: Option<&str>,
 ) -> Result<()> {
     const MAX_READ: u32 = 1 << 20; // TODO(jiyong): tune this
     const MAX_WRITE: u32 = 1 << 13; // This is a read-only filesystem
@@ -94,6 +103,11 @@
     }
 
     fuse::mount(mount_point, "zipfuse", mount_flags, &mount_options)?;
+
+    if let Some(property_name) = ready_prop {
+        system_properties::write(property_name, "1").context("Failed to set readyprop")?;
+    }
+
     let mut config = fuse::FuseConfig::new();
     config.dev_fuse(dev_fuse).max_write(MAX_WRITE).max_read(MAX_READ);
     Ok(config.enter_message_loop(ZipFuse::new(zip_file)?)?)