diff --git a/awx/ui/src/screens/Job/JobOutput/HostEventModal.js b/awx/ui/src/screens/Job/JobOutput/HostEventModal.js
index f23fd154d3..82dfcb9bd5 100644
--- a/awx/ui/src/screens/Job/JobOutput/HostEventModal.js
+++ b/awx/ui/src/screens/Job/JobOutput/HostEventModal.js
@@ -40,6 +40,8 @@ const processCodeEditorValue = (value) => {
     codeEditorValue = '';
   } else if (typeof value === 'string') {
     codeEditorValue = encode(value);
+  } else if (Array.isArray(value)) {
+    codeEditorValue = encode(value.join(' '));
   } else {
     codeEditorValue = value;
   }
diff --git a/awx/ui/src/screens/Job/JobOutput/HostEventModal.test.js b/awx/ui/src/screens/Job/JobOutput/HostEventModal.test.js
index 5872011874..96866c4b03 100644
--- a/awx/ui/src/screens/Job/JobOutput/HostEventModal.test.js
+++ b/awx/ui/src/screens/Job/JobOutput/HostEventModal.test.js
@@ -52,6 +52,60 @@ const hostEvent = {
   },
 };
 
+/*
+Some libraries return a list of string in stdout
+Example: https://github.com/ansible-collections/cisco.ios/blob/main/plugins/modules/ios_command.py#L124-L128
+*/
+const hostEventWithArray = {
+  changed: true,
+  event: 'runner_on_ok',
+  event_data: {
+    host: 'foo',
+    play: 'all',
+    playbook: 'run_command.yml',
+    res: {
+      ansible_loop_var: 'item',
+      changed: true,
+      item: '1',
+      msg: 'This is a debug message: 1',
+      stdout: [
+        '              total        used        free      shared  buff/cache   available\nMem:           7973        3005         960          30        4007        4582\nSwap:          1023           0        1023',
+      ],
+      stderr: 'problems',
+      cmd: ['free', '-m'],
+      stderr_lines: [],
+      stdout_lines: [
+        '              total        used        free      shared  buff/cache   available',
+        'Mem:           7973        3005         960          30        4007        4582',
+        'Swap:          1023           0        1023',
+      ],
+    },
+    task: 'command',
+    task_action: 'command',
+  },
+  event_display: 'Host OK',
+  event_level: 3,
+  failed: false,
+  host: 1,
+  host_name: 'foo',
+  id: 123,
+  job: 4,
+  play: 'all',
+  playbook: 'run_command.yml',
+  stdout: `stdout: "changed: [localhost] => {"changed": true, "cmd": ["free", "-m"], "delta": "0:00:01.479609", "end": "2019-09-10 14:21:45.469533", "rc": 0, "start": "2019-09-10 14:21:43.989924", "stderr": "", "stderr_lines": [], "stdout": "              total        used        free      shared  buff/cache   available\nMem:           7973        3005         960          30        4007        4582\nSwap:          1023           0        1023", "stdout_lines": ["              total        used        free      shared  buff/cache   available", "Mem:           7973        3005         960          30        4007        4582", "Swap:          1023           0        1023"]}"
+  `,
+  task: 'command',
+  type: 'job_event',
+  url: '/api/v2/job_events/123/',
+  summary_fields: {
+    host: {
+      id: 1,
+      name: 'foo',
+      description: 'Bar',
+    },
+  },
+};
+
 /* eslint-disable no-useless-escape */
 const jsonValue = `{
   \"ansible_loop_var\": \"item\",
@@ -281,4 +335,25 @@ describe('HostEventModal', () => {
     expect(codeEditor.prop('readOnly')).toBe(true);
     expect(codeEditor.prop('value')).toEqual('baz\nbar');
   });
+
+  test('should display Standard Out array stdout content', () => {
+    const wrapper = shallow(
+      <HostEventModal
+        hostEvent={hostEventWithArray}
+        onClose={() => {}}
+        isOpen
+      />
+    );
+
+    const handleTabClick = wrapper.find('Tabs').prop('onSelect');
+    handleTabClick(null, 2);
+    wrapper.update();
+
+    const codeEditor = wrapper.find('Tab[eventKey=2] CodeEditor');
+    expect(codeEditor.prop('mode')).toBe('javascript');
+    expect(codeEditor.prop('readOnly')).toBe(true);
+    expect(codeEditor.prop('value')).toEqual(
+      hostEventWithArray.event_data.res.stdout.join(' ')
+    );
+  });
 });