diff --git a/src/main/groovy/io/seqera/wave/service/CredentialServiceImpl.groovy b/src/main/groovy/io/seqera/wave/service/CredentialServiceImpl.groovy
index 0d424155f..f4cc4e68c 100644
--- a/src/main/groovy/io/seqera/wave/service/CredentialServiceImpl.groovy
+++ b/src/main/groovy/io/seqera/wave/service/CredentialServiceImpl.groovy
@@ -102,7 +102,7 @@ class CredentialServiceImpl implements CredentialsService {
     }
 
     CredentialsDescription findComputeCreds(PlatformId identity) {
-        final describeWorkflowLaunchResponse = towerClient.fetchWorkflowLaunchInfo(identity.towerEndpoint,identity.accessToken,identity.workflowId)
+        final describeWorkflowLaunchResponse = towerClient.fetchWorkflowLaunchInfo(identity.towerEndpoint, JwtAuth.of(identity), identity.workflowId)
         if(describeWorkflowLaunchResponse) {
             ComputeEnv computeEnv = describeWorkflowLaunchResponse.get()?.launch?.computeEnv
             if (computeEnv && (computeEnv.platform == 'aws-batch' || computeEnv.platform == 'google-batch')) {
diff --git a/src/main/groovy/io/seqera/wave/tower/client/TowerClient.groovy b/src/main/groovy/io/seqera/wave/tower/client/TowerClient.groovy
index 9cd844488..b4e5312ee 100644
--- a/src/main/groovy/io/seqera/wave/tower/client/TowerClient.groovy
+++ b/src/main/groovy/io/seqera/wave/tower/client/TowerClient.groovy
@@ -114,9 +114,9 @@ class TowerClient {
         StringUtils.removeEnd(endpoint, "/")
     }
 
-    CompletableFuture<DescribeWorkflowLaunchResponse> fetchWorkflowLaunchInfo(String towerEndpoint, String authorization, String workflowId){
+    CompletableFuture<DescribeWorkflowLaunchResponse> fetchWorkflowLaunchInfo(String towerEndpoint, JwtAuth authorization, String workflowId){
         def uri = workflowLaunchInfoEndpoint(towerEndpoint,workflowId)
-        return getAsync(uri, towerEndpoint, authorization,DescribeWorkflowLaunchResponse.class)
+        return getAsync(uri, towerEndpoint, authorization, DescribeWorkflowLaunchResponse.class)
     }
     protected static URI workflowLaunchInfoEndpoint(String towerEndpoint, String workflowId) {
         return URI.create("${checkEndpoint(towerEndpoint)}/workflow/${workflowId}/launch")