diff --git a/core/src/lib.rs b/core/src/lib.rs
index 55664fb5dd4..f439ca5569b 100644
--- a/core/src/lib.rs
+++ b/core/src/lib.rs
@@ -1,4 +1,5 @@
 #![cfg_attr(not(test), no_std)]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 
 //! Core types for the [`trussed`][] crate.
 //!
diff --git a/src/lib.rs b/src/lib.rs
index f10d448a5a3..385115d493a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,5 @@
 #![cfg_attr(not(any(feature = "std", test)), no_std)]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 //! # Trussed
 //!
 //! Trussed® is a minimal, modular way to write cryptographic applications on microcontroller platforms.
@@ -41,7 +42,6 @@ pub mod store;
 pub mod types;
 
 #[cfg(feature = "virt")]
-#[cfg_attr(docsrs, doc(cfg(feature = "virt")))]
 pub mod virt;
 
 pub use api::Reply;