diff --git a/wayland-backend/src/sys/client_impl/mod.rs b/wayland-backend/src/sys/client_impl/mod.rs
index 2e7cb451793..bf25662b559 100644
--- a/wayland-backend/src/sys/client_impl/mod.rs
+++ b/wayland-backend/src/sys/client_impl/mod.rs
@@ -689,8 +689,8 @@ impl InnerBackend {
         }
 
         // initialize the proxy
+        drop(guard);
         let child_id = if let Some((child_interface, _)) = child_spec {
-            drop(guard);
             unsafe { self.manage_object(child_interface, ret, data) }
         } else {
             Self::null_id()