diff --git a/metadata/src/from_into/v14.rs b/metadata/src/from_into/v14.rs
index dec3a4c566..b9b13cf681 100644
--- a/metadata/src/from_into/v14.rs
+++ b/metadata/src/from_into/v14.rs
@@ -8,7 +8,7 @@ use alloc::borrow::ToOwned;
 use alloc::string::String;
 use alloc::vec;
 use alloc::vec::Vec;
-
+use core::fmt::Write;
 use frame_metadata::{v14, v15};
 use hashbrown::HashMap;
 use scale_info::TypeDef;
@@ -372,11 +372,10 @@ fn generate_outer_error_enum_type(
                 return None;
             };
 
-            // Note:  using the `format!` macro like in `let path = format!("{}Error", pallet.name);`
+            // Note:  using the `alloc::format!` macro like in `let path = format!("{}Error", pallet.name);`
             // leads to linker errors about extern function `_Unwind_Resume` not being defined.
-            // let mut path = String::new();
-            // write!(path, "{}Error", pallet.name).expect("Cannot panic, qed;");
-            let path = alloc::format!("{}Error", pallet.name);
+            let mut path = String::new();
+            write!(path, "{}Error", pallet.name).expect("Cannot panic, qed;");
             let ty = error.ty.id.into();
 
             Some(scale_info::Variant {