diff --git a/packages/task/src/browser/process/process-task-resolver.ts b/packages/task/src/browser/process/process-task-resolver.ts
index 649d16a1be02c..1be9e053bb232 100644
--- a/packages/task/src/browser/process/process-task-resolver.ts
+++ b/packages/task/src/browser/process/process-task-resolver.ts
@@ -42,7 +42,8 @@ export class ProcessTaskResolver implements TaskResolver {
      * sane default values. Also, resolve all known variables, e.g. `${workspaceFolder}`.
      */
     async resolveTask(taskConfig: TaskConfiguration): Promise<TaskConfiguration> {
-        if (taskConfig.taskType !== 'process' && taskConfig.taskType !== 'shell') {
+        const type = taskConfig.taskType || taskConfig.type;
+        if (type !== 'process' && type !== 'shell') {
             throw new Error('Unsupported task configuration type.');
         }
         const context = typeof taskConfig._scope === 'string' ? new URI(taskConfig._scope) : undefined;
diff --git a/packages/task/src/node/process/process-task-runner.ts b/packages/task/src/node/process/process-task-runner.ts
index 43779a4b8b1b2..8bf1b23d29d3b 100644
--- a/packages/task/src/node/process/process-task-runner.ts
+++ b/packages/task/src/node/process/process-task-runner.ts
@@ -141,7 +141,7 @@ export class ProcessTaskRunner implements TaskRunner {
          */
         let commandLine: string | undefined;
 
-        if (taskConfig.type === 'shell') {
+        if ((taskConfig.taskType || taskConfig.type) === 'shell') {
             // When running a shell task, we have to spawn a shell process somehow,
             // and tell it to run the command the user wants to run inside of it.
             //