diff --git a/library/core/src/ptr/const_ptr.rs b/library/core/src/ptr/const_ptr.rs
index 624d283155a..4912ba2f6cf 100644
--- a/library/core/src/ptr/const_ptr.rs
+++ b/library/core/src/ptr/const_ptr.rs
@@ -566,7 +566,7 @@ pub const fn wrapping_byte_offset(self, count: isize) -> Self {
     /// For non-`Sized` pointees this operation changes only the data pointer,
     /// leaving the metadata untouched.
     #[cfg(not(bootstrap))]
-    #[unstable(feature = "ptr_mask", issue = "none")]
+    #[unstable(feature = "ptr_mask", issue = "98290")]
     #[must_use = "returns a new pointer rather than modifying its argument"]
     #[inline(always)]
     pub fn mask(self, mask: usize) -> *const T {
diff --git a/library/core/src/ptr/mut_ptr.rs b/library/core/src/ptr/mut_ptr.rs
index ea87bb88a1b..c446e1f907d 100644
--- a/library/core/src/ptr/mut_ptr.rs
+++ b/library/core/src/ptr/mut_ptr.rs
@@ -582,7 +582,7 @@ pub const fn wrapping_byte_offset(self, count: isize) -> Self {
     /// For non-`Sized` pointees this operation changes only the data pointer,
     /// leaving the metadata untouched.
     #[cfg(not(bootstrap))]
-    #[unstable(feature = "ptr_mask", issue = "none")]
+    #[unstable(feature = "ptr_mask", issue = "98290")]
     #[must_use = "returns a new pointer rather than modifying its argument"]
     #[inline(always)]
     pub fn mask(self, mask: usize) -> *mut T {