diff --git a/drivers/gpu/nova-core/nova_core.rs b/drivers/gpu/nova-core/nova_core.rs
index 9f0199f7b38c..735b8e17c6b6 100644
--- a/drivers/gpu/nova-core/nova_core.rs
+++ b/drivers/gpu/nova-core/nova_core.rs
@@ -54,7 +54,7 @@ struct NovaCoreModule {
 
 impl InPlaceModule for NovaCoreModule {
     fn init(module: &'static kernel::ThisModule) -> impl PinInit<Self, Error> {
-        let dir = debugfs::Dir::new(kernel::c_str!("nova-core"));
+        let dir = debugfs::Dir::new(c"nova-core");
 
         // SAFETY: We are the only driver code running during init, so there
         // cannot be any concurrent access to `DEBUGFS_ROOT`.