diff --git a/src/wayland-client.c b/src/wayland-client.c
index fb69ed83..1a24abf9 100644
--- a/src/wayland-client.c
+++ b/src/wayland-client.c
@@ -583,3 +583,9 @@ wl_proxy_get_user_data(struct wl_proxy *proxy)
 {
 	return proxy->user_data;
 }
+
+WL_EXPORT uint32_t
+wl_proxy_get_id(struct wl_proxy *proxy)
+{
+	return proxy->object.id;
+}
diff --git a/src/wayland-client.h b/src/wayland-client.h
index 5746e856..5c7fd2f8 100644
--- a/src/wayland-client.h
+++ b/src/wayland-client.h
@@ -45,6 +45,7 @@ int wl_proxy_add_listener(struct wl_proxy *proxy,
 			  void (**implementation)(void), void *data);
 void wl_proxy_set_user_data(struct wl_proxy *proxy, void *user_data);
 void *wl_proxy_get_user_data(struct wl_proxy *proxy);
+uint32_t wl_proxy_get_id(struct wl_proxy *proxy);
 
 void *wl_display_bind(struct wl_display *display,
 		      uint32_t name, const struct wl_interface *interface);