diff --git a/src/r0/device/get_device.rs b/src/r0/device/get_device.rs
index 8f064083..98b88bd2 100644
--- a/src/r0/device/get_device.rs
+++ b/src/r0/device/get_device.rs
@@ -20,6 +20,7 @@ ruma_api! {
     }
 
     response {
+        #[ruma_api(body)]
         device: Device,
     }
 }