diff --git a/Cargo.lock b/Cargo.lock
index 81b11c2..1210618 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1179,6 +1179,7 @@ dependencies = [
  "simplelog",
  "tokio",
  "ureq",
+ "uuid",
  "windows-sys 0.60.2",
 ]
 
diff --git a/cpp/src/app_service.cpp b/cpp/src/app_service.cpp
index 725c1d4..c009aaf 100644
--- a/cpp/src/app_service.cpp
+++ b/cpp/src/app_service.cpp
@@ -112,6 +112,7 @@ std::optional<LaunchResponse> AppService::launch(const std::string&
                                                       c_argv.size(),
                                                       kill_existing ? 1 : 0,
                                                       start_suspended ? 1 : 0,
+                                                      NULL, // TODO: stdio handling
                                                       &resp)) {
         err = FfiError(e);
         return std::nullopt;
diff --git a/ffi/Cargo.toml b/ffi/Cargo.toml
index 33b96fa..a1e1339 100644
--- a/ffi/Cargo.toml
+++ b/ffi/Cargo.toml
@@ -14,6 +14,7 @@ tokio = { version = "1.44.1", features = ["full"] }
 libc = "0.2.171"
 plist = "1.7.1"
 plist_ffi = { version = "0.1.5" }
+uuid = { version = "1.12", features = ["v4"], optional = true }
 
 [target.'cfg(windows)'.dependencies]
 windows-sys = { version = "0.60", features = ["Win32_Networking_WinSock"] }
@@ -25,7 +26,7 @@ ring = ["idevice/ring"]
 
 afc = ["idevice/afc"]
 amfi = ["idevice/amfi"]
-core_device = ["idevice/core_device", "dep:futures"]
+core_device = ["idevice/core_device", "dep:futures", "dep:uuid"]
 core_device_proxy = ["idevice/core_device_proxy"]
 crashreportcopymobile = ["idevice/crashreportcopymobile"]
 debug_proxy = ["idevice/debug_proxy"]
diff --git a/ffi/src/core_device/app_service.rs b/ffi/src/core_device/app_service.rs
index c8f0616..6078635 100644
--- a/ffi/src/core_device/app_service.rs
+++ b/ffi/src/core_device/app_service.rs
@@ -299,6 +299,7 @@ pub unsafe extern "C" fn app_service_free_app_list(apps: *mut AppListEntryC, cou
 /// * [`argc`] - Number of arguments
 /// * [`kill_existing`] - Whether to kill existing instances
 /// * [`start_suspended`] - Whether to start suspended
+/// * [`stdio_uuid`] - The UUID received from openstdiosocket, null for none
 /// * [`response`] - Pointer to store the launch response (caller must free)
 ///
 /// # Returns
@@ -314,6 +315,7 @@ pub unsafe extern "C" fn app_service_launch_app(
     argc: usize,
     kill_existing: c_int,
     start_suspended: c_int,
+    stdio_uuid: *const u8,
     response: *mut *mut LaunchResponseC,
 ) -> *mut IdeviceFfiError {
     if handle.is_null() || bundle_id.is_null() || response.is_null() {
@@ -337,6 +339,13 @@ pub unsafe extern "C" fn app_service_launch_app(
         }
     }
 
+    let stdio_uuid = if stdio_uuid.is_null() {
+        None
+    } else {
+        let stdio_uuid = unsafe { std::slice::from_raw_parts(stdio_uuid, 16) };
+        Some(uuid::Uuid::from_bytes(stdio_uuid.try_into().unwrap()))
+    };
+
     let client = unsafe { &mut (*handle).0 };
     let res = RUNTIME.block_on(async move {
         client
@@ -347,6 +356,7 @@ pub unsafe extern "C" fn app_service_launch_app(
                 start_suspended != 0,
                 None, // environment
                 None, // platform_options
+                stdio_uuid,
             )
             .await
     });