diff --git a/uniffi_bindgen/src/scaffolding/templates/Checksums.rs b/uniffi_bindgen/src/scaffolding/templates/Checksums.rs
index a59009d169..bfe3ee4d2f 100644
--- a/uniffi_bindgen/src/scaffolding/templates/Checksums.rs
+++ b/uniffi_bindgen/src/scaffolding/templates/Checksums.rs
@@ -1,5 +1,5 @@
 {%- for (name, checksum) in ci.iter_checksums() %}
-#[no_mangle]
+#[unsafe(no_mangle)]
 #[doc(hidden)]
 pub extern "C" fn r#{{ name }}() -> u16 {
     {{ checksum }}