diff --git a/framework/base/src/types/interaction/callback_closure.rs b/framework/base/src/types/interaction/callback_closure.rs
index 6b2b73feee..b7ea4264a8 100644
--- a/framework/base/src/types/interaction/callback_closure.rs
+++ b/framework/base/src/types/interaction/callback_closure.rs
@@ -9,10 +9,9 @@ use crate::{
     },
     contract_base::{BlockchainWrapper, ExitCodecErrorHandler, ManagedSerializer},
     err_msg,
-    io::ManagedResultArgLoader,
     storage::StorageKey,
     storage_clear, storage_get, storage_set,
-    types::{ManagedBuffer, ManagedType},
+    types::{ManagedBuffer, ManagedType, ManagedVecRefIterator},
 };
 
 use super::ManagedArgBuffer;
@@ -125,8 +124,8 @@ impl<M: ManagedTypeApi + ErrorApi> CallbackClosureForDeser<M> {
         CallbackClosureMatcher::new(&self.callback_name)
     }
 
-    pub fn into_arg_loader(self) -> ManagedResultArgLoader<M> {
-        ManagedResultArgLoader::new(self.closure_args.data)
+    pub fn arg_iter(&self) -> ManagedVecRefIterator<'_, M, ManagedBuffer<M>> {
+        self.closure_args.iter_buffers()
     }
 }
 
diff --git a/framework/derive/src/generate/method_call_gen_arg.rs b/framework/derive/src/generate/method_call_gen_arg.rs
index 20550ca024..8c9b7a0aee 100644
--- a/framework/derive/src/generate/method_call_gen_arg.rs
+++ b/framework/derive/src/generate/method_call_gen_arg.rs
@@ -88,7 +88,7 @@ pub fn load_legacy_cb_closure_args_snippet(m: &Method) -> proc_macro2::TokenStre
         });
     quote! {
         let #closure_var_names = multiversx_sc::io::load_multi_args_custom_loader::<Self::Api, _, #closure_var_types>(
-            ___cb_closure___.into_arg_loader(),
+            ___cb_closure___.arg_iter(),
             #closure_var_names_str,
         );
     }