diff --git a/src/chain/action.ts b/src/chain/action.ts
index abc1de79..104c7a98 100644
--- a/src/chain/action.ts
+++ b/src/chain/action.ts
@@ -54,7 +54,8 @@ export class Action extends Struct {
     /** The ABI-encoded action data. */
     @Struct.field('bytes') data!: Bytes
 
-    static from(object: ActionType | AnyAction, abi?: ABIDef): Action {
+    static from(anyAction: ActionType | AnyAction, abi?: ABIDef): Action {
+        let object = {...anyAction}
         const data = object.data as any
         if (!Bytes.isBytes(data)) {
             let type: string | undefined