diff --git a/core/src/macros/mod.rs b/core/src/macros/mod.rs
index 9bbaf62a5caaf..395e04cf26e95 100644
--- a/core/src/macros/mod.rs
+++ b/core/src/macros/mod.rs
@@ -1534,7 +1534,12 @@ pub(crate) mod builtin {
     #[rustc_builtin_macro]
     #[macro_export]
     #[rustc_diagnostic_item = "assert_macro"]
-    #[allow_internal_unstable(panic_internals, edition_panic, generic_assert_internals)]
+    #[allow_internal_unstable(
+        core_intrinsics,
+        panic_internals,
+        edition_panic,
+        generic_assert_internals
+    )]
     macro_rules! assert {
         ($cond:expr $(,)?) => {{ /* compiler built-in */ }};
         ($cond:expr, $($arg:tt)+) => {{ /* compiler built-in */ }};