diff --git a/rust/kernel/drm/ioctl.rs b/rust/kernel/drm/ioctl.rs
index ccf4150d83b6..6f5a9877bdae 100644
--- a/rust/kernel/drm/ioctl.rs
+++ b/rust/kernel/drm/ioctl.rs
@@ -134,7 +134,8 @@ macro_rules! declare_drm_ioctls {
                             // FIXME: Currently there is nothing enforcing that the types of the
                             // dev/file match the current driver these ioctls are being declared
                             // for, and it's not clear how to enforce this within the type system.
-                            let dev = $crate::drm::device::Device::from_raw(raw_dev);
+                            let dev: &$crate::drm::device::Device<_, $crate::drm::Normal> =
+                                $crate::drm::device::Device::from_raw(raw_dev);
 
                             // Enforce that the handler accepts higher-ranked
                             // lifetimes, preventing it from requiring 'static