diff --git a/cpp/include/usbmuxd.hpp b/cpp/include/usbmuxd.hpp
index 07b0889..fe33aad 100644
--- a/cpp/include/usbmuxd.hpp
+++ b/cpp/include/usbmuxd.hpp
@@ -191,7 +191,7 @@ class UsbmuxdConnection {
     /// @param err An error that will be populated on failure.
     /// @return A UsbmuxdConnection on success, std::nullopt on failure.
     static std::optional<UsbmuxdConnection>
-    tcp_new(const sockaddr* addr, socklen_t addr_len, uint32_t tag, FfiError& err) {
+    tcp_new(const idevice_sockaddr* addr, idevice_socklen_t addr_len, uint32_t tag, FfiError& err) {
         UsbmuxdConnectionHandle* handle = nullptr;
         IdeviceFfiError* e = idevice_usbmuxd_new_tcp_connection(addr, addr_len, tag, &handle);
         if (e) {
diff --git a/ffi/src/usbmuxd.rs b/ffi/src/usbmuxd.rs
index 56da89e..fcccd94 100644
--- a/ffi/src/usbmuxd.rs
+++ b/ffi/src/usbmuxd.rs
@@ -33,6 +33,7 @@ pub struct UsbmuxdDeviceHandle(pub UsbmuxdDevice);
 /// # Safety
 /// `addr` must be a valid sockaddr
 /// `usbmuxd_connection` must be a valid, non-null pointer to a location where the handle will be stored
+#[unsafe(no_mangle)]
 pub unsafe extern "C" fn idevice_usbmuxd_new_tcp_connection(
     addr: *const idevice_sockaddr,
     addr_len: idevice_socklen_t,