diff --git a/package.json b/package.json
index 3ae49ed..decd12d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@utxos/sdk",
-  "version": "0.1.4",
+  "version": "0.1.5",
   "description": "UTXOS SDK - Web3 infrastructure platform for UTXO blockchains",
   "main": "./dist/index.cjs",
   "module": "./dist/index.js",
diff --git a/src/sdk/tokenization/spark.ts b/src/sdk/tokenization/spark.ts
index e135243..ea3906c 100644
--- a/src/sdk/tokenization/spark.ts
+++ b/src/sdk/tokenization/spark.ts
@@ -435,7 +435,7 @@ export class TokenizationSpark {
     }
 
     return {
-      impactedOutputIds: (result as any).impactedOutputIds ?? result.impactedTokenOutputs?.map((o: any) => o.id) ?? [],
+      impactedOutputIds: result.impactedTokenOutputs?.map((o: any) => o.id) ?? [],
       impactedTokenAmount: result.impactedTokenAmount.toString(),
     };
   }
@@ -493,7 +493,7 @@ export class TokenizationSpark {
     }
 
     return {
-      impactedOutputIds: (result as any).impactedOutputIds ?? result.impactedTokenOutputs?.map((o: any) => o.id) ?? [],
+      impactedOutputIds: result.impactedTokenOutputs?.map((o: any) => o.id) ?? [],
       impactedTokenAmount: result.impactedTokenAmount.toString(),
     };
   }