diff --git a/rust/pin-init/internal/src/init.rs b/rust/pin-init/internal/src/init.rs
index 041a84593730..28d30805d06b 100644
--- a/rust/pin-init/internal/src/init.rs
+++ b/rust/pin-init/internal/src/init.rs
@@ -354,7 +354,7 @@ fn make_field_check(
             ::core::ptr::write(slot, #path {
                 #(
                     #(#field_attrs)*
-                    #field_name: ::core::panic!(),
+                    #field_name: loop {},
                 )*
                 #zeroing_trailer
             })