diff --git a/devel/electron37/files/patch-build_rust_allocator_lib.rs b/devel/electron37/files/patch-build_rust_allocator_lib.rs
new file mode 100644
index 000000000000..3ee49686575f
--- /dev/null
+++ b/devel/electron37/files/patch-build_rust_allocator_lib.rs
@@ -0,0 +1,14 @@
+--- build/rust/allocator/lib.rs.orig	2025-08-11 20:33:34 UTC
++++ build/rust/allocator/lib.rs
+@@ -86,9 +86,8 @@ mod both_allocators {
+     /// As part of rustc's contract for using `#[global_allocator]` without
+     /// rustc-generated shims we must define this symbol, since we are opting in
+     /// to unstable functionality. See https://github.com/rust-lang/rust/issues/123015
+-    #[no_mangle]
+-    #[linkage = "weak"]
+-    static __rust_no_alloc_shim_is_unstable: u8 = 0;
++    #[rustc_std_internal_symbol]
++    fn __rust_no_alloc_shim_is_unstable_v2() {}
+ 
+     // Mangle the symbol name as rustc expects.
+     #[rustc_std_internal_symbol]