diff --git a/ember_debug/object-inspector.js b/ember_debug/object-inspector.js
index 777f9d5f4b..bfa2df7e6d 100644
--- a/ember_debug/object-inspector.js
+++ b/ember_debug/object-inspector.js
@@ -899,18 +899,7 @@ function addProperties(properties, hash) {
     let options = { isMandatorySetter: isMandatorySetter(desc) };
 
     if (typeof hash[prop] === 'object' && hash[prop] !== null) {
-      options.isService =
-        !('type' in hash[prop]) && hash[prop].type === 'service';
-
-      if (!options.isService) {
-        if (hash[prop].constructor) {
-          options.isService = hash[prop].constructor.isServiceFactory;
-        }
-      }
-
-      if (!options.isService) {
-        options.isService = desc.value instanceof Service;
-      }
+      options.isService = desc.value instanceof Service;
     }
     if (options.isService) {
       replaceProperty(properties, prop, inspectValue(hash, prop), options);
@@ -1112,6 +1101,9 @@ function calculateCPs(
               item.code = '';
             }
           }
+          if (value instanceof Service) {
+            item.isService = true;
+          }
         }
       }
     });
diff --git a/tests/ember_debug/object-inspector-test.js b/tests/ember_debug/object-inspector-test.js
index 4ae1d4b0f5..c5f42975a5 100644
--- a/tests/ember_debug/object-inspector-test.js
+++ b/tests/ember_debug/object-inspector-test.js
@@ -11,7 +11,7 @@ import EmberObject, { computed } from '@ember/object';
 import MutableArray from '@ember/array/mutable';
 import ArrayProxy from '@ember/array/proxy';
 import ObjectProxy from '@ember/object/proxy';
-import Service from '@ember/service';
+import Service, { inject as service } from '@ember/service';
 import { VERSION } from '@ember/version';
 import { tracked } from '@glimmer/tracking';
 import { module, skip, test } from 'qunit';
@@ -902,17 +902,22 @@ module('Ember Debug - Object Inspector', function (hooks) {
       fooBoo() {
         return true;
       },
-    }).create();
+    });
+
+    this.owner.register('service:test-inspect-service', inspectedService);
 
     let inspected = EmberObject.extend({
-      service: inspectedService,
-    }).create();
+      service: inspectedService.create(),
+      service2: service('test-inspect-service'),
+    }).create(this);
 
     let message = await inspectObject(inspected);
 
     let serializedServiceProperty = message.details[1].properties[0];
+    let serializedService2Property = message.details[1].properties[1];
 
     assert.true(serializedServiceProperty.isService);
+    assert.true(serializedService2Property.isService);
   });
 
   test('Proxy Service should be successfully tagged as service on serialization', async function (assert) {