diff --git a/codegen/src/api/mod.rs b/codegen/src/api/mod.rs
index cf592bd8bd..5755aaca5b 100644
--- a/codegen/src/api/mod.rs
+++ b/codegen/src/api/mod.rs
@@ -119,10 +119,18 @@ impl RuntimeGenerator {
                 "sp_core::crypto::AccountId32",
                 parse_quote!(::subxt::ext::sp_core::crypto::AccountId32),
             ),
+            (
+                "primitive_types::H160",
+                parse_quote!(::subxt::ext::sp_core::H160),
+            ),
             (
                 "primitive_types::H256",
                 parse_quote!(::subxt::ext::sp_core::H256),
             ),
+            (
+                "primitive_types::H512",
+                parse_quote!(::subxt::ext::sp_core::H512),
+            ),
             (
                 "sp_runtime::multiaddress::MultiAddress",
                 parse_quote!(::subxt::ext::sp_runtime::MultiAddress),