diff --git a/command-snapshot.json b/command-snapshot.json
index 84f1bb17..a34ee24e 100644
--- a/command-snapshot.json
+++ b/command-snapshot.json
@@ -8,7 +8,7 @@
   {
     "command": "env:compute:collaborator:add",
     "plugin": "@salesforce/plugin-functions",
-    "flags": ["heroku-user"],
+    "flags": ["heroku-user", "json"],
     "alias": []
   },
   {
diff --git a/src/commands/env/compute/collaborator/add.ts b/src/commands/env/compute/collaborator/add.ts
index 82d787e7..926047d5 100644
--- a/src/commands/env/compute/collaborator/add.ts
+++ b/src/commands/env/compute/collaborator/add.ts
@@ -16,8 +16,6 @@ Messages.importMessagesDirectory(__dirname);
 const messages = Messages.loadMessages('@salesforce/plugin-functions', 'env.compute.collaborator.add');
 
 export default class ComputeCollaboratorAdd extends Command {
-  static enableJsonFlag = false;
-
   static summary = messages.getMessage('summary');
 
   static examples = messages.getMessages('examples');
@@ -64,7 +62,7 @@ export default class ComputeCollaboratorAdd extends Command {
       }
 
       if (error.message?.includes('404')) {
-        this.error(`${herokuColor.heroku(herokuUser)} does not exist.`);
+        this.error(`Couldn't find Heroku user ${herokuColor.heroku(herokuUser)}.`);
       }
 
       this.error(error.message);
@@ -74,5 +72,8 @@ export default class ComputeCollaboratorAdd extends Command {
     this.log(
       'For more information about attaching Heroku add-ons to your compute environments, run $ heroku addons:attach --help.'
     );
+    return {
+      added: [`${herokuUser}`],
+    };
   }
 }
diff --git a/test/commands/env/compute/collaborator/add.test.ts b/test/commands/env/compute/collaborator/add.test.ts
index 450423dc..89d48da6 100644
--- a/test/commands/env/compute/collaborator/add.test.ts
+++ b/test/commands/env/compute/collaborator/add.test.ts
@@ -9,6 +9,14 @@ import herokuColor from '@heroku-cli/color';
 
 const HEROKU_USER = 'rick@morty.com';
 
+const jsonSuccess = {
+  status: 0,
+  result: {
+    added: [HEROKU_USER],
+  },
+  warnings: [],
+};
+
 describe('sf env compute collaborator add', () => {
   test
     .stdout()
@@ -33,13 +41,25 @@ describe('sf env compute collaborator add', () => {
       );
     });
 
+  test
+    .stdout()
+    .stderr()
+    .nock('https://api.heroku.com', (api) => api.post('/salesforce-orgs/collaborators').reply(200, {}))
+    .command(['env:compute:collaborator:add', '-h', HEROKU_USER, '--json'])
+    .it('will show json output with success', (ctx) => {
+      const succJSON = JSON.parse(ctx.stdout);
+
+      expect(succJSON.status).to.deep.equal(jsonSuccess.status);
+      expect(succJSON.result).to.eql(jsonSuccess.result);
+    });
+
   test
     .stdout()
     .stderr()
     .nock('https://api.heroku.com', (api) => api.post('/salesforce-orgs/collaborators').reply(404, {}))
     .command(['env:compute:collaborator:add', '-h', HEROKU_USER])
     .catch((error) => {
-      expect(error.message).contains(`${herokuColor.heroku(HEROKU_USER)} does not exist.`);
+      expect(error.message).contains(`Couldn't find Heroku user ${herokuColor.heroku(HEROKU_USER)}.`);
     })
     .it('alerts user if user entered does not exist');
 });