diff --git a/src/brizo/Brizo.ts b/src/brizo/Brizo.ts
index 461200a..3114aef 100644
--- a/src/brizo/Brizo.ts
+++ b/src/brizo/Brizo.ts
@@ -1,4 +1,4 @@
-import { File, MetaData } from '../ddo/MetaData'
+import { File, MetaDataAlgorithm } from '../ddo/MetaData'
 import Account from '../ocean/Account'
 import { noZeroX } from '../utils'
 import { Instantiable, InstantiableConfig } from '../Instantiable.abstract'
@@ -115,7 +115,7 @@ export class Brizo extends Instantiable {
         serviceAgreementId: string,
         consumerAccount: Account,
         algorithmDid?: string,
-        algorithmMeta?: MetaData,
+        algorithmMeta?: MetaDataAlgorithm,
         jobId?: string,
         output?: Output
     ): Promise<ComputeJob | ComputeJob[]> {
@@ -138,7 +138,7 @@ export class Brizo extends Instantiable {
         url += `&consumerAddress=${address}`
         url += `&serviceAgreementId=${noZeroX(serviceAgreementId)}`
         url += (algorithmDid && `&algorithmDid=${algorithmDid}`) || ''
-        url += (algorithmMeta && `&algorithmMeta=${algorithmMeta}`) || ''
+        url += (algorithmMeta && `&algorithmMeta=${JSON.stringify(algorithmMeta)}`) || ''
         url += (output && `&output=${JSON.stringify(output)}`) || ''
         url += (jobId && `&jobId=${jobId}`) || ''
 
diff --git a/src/ddo/MetaData.ts b/src/ddo/MetaData.ts
index 11ff7ab..34aceb7 100644
--- a/src/ddo/MetaData.ts
+++ b/src/ddo/MetaData.ts
@@ -64,6 +64,8 @@ export interface File {
 }
 
 export interface MetaDataAlgorithm {
+    url?: string
+    rawcode?: string
     language?: string
     format?: string
     version?: string
diff --git a/src/ocean/OceanCompute.ts b/src/ocean/OceanCompute.ts
index 7a0f171..cc6fe8f 100644
--- a/src/ocean/OceanCompute.ts
+++ b/src/ocean/OceanCompute.ts
@@ -1,5 +1,5 @@
 import { Instantiable, InstantiableConfig } from '../Instantiable.abstract'
-import { MetaData } from '../ddo/MetaData'
+import { MetaData, MetaDataAlgorithm } from '../ddo/MetaData'
 import Account from './Account'
 import { DDO } from '../ddo/DDO'
 import { SubscribablePromise } from '../utils'
@@ -132,7 +132,7 @@ export class OceanCompute extends Instantiable {
         consumerAccount: Account,
         agreementId: string,
         algorithmDid?: string,
-        algorithmMeta?: MetaData,
+        algorithmMeta?: MetaDataAlgorithm,
         output?: Output
     ): Promise<ComputeJob> {
         output = this.checkOutput(consumerAccount, output)