diff --git a/src/utils/scripts.js b/src/utils/scripts.js
index cebcb2ba..c7cb3ee3 100644
--- a/src/utils/scripts.js
+++ b/src/utils/scripts.js
@@ -38,24 +38,22 @@ export const manageExistingScripts = (defaultEnabledCategories) => {
             if (!service)
                 continue;
 
-            const {onAccept, onReject} = service;
+            const { onAccept, onReject } = service;
 
             if (
                 !service._enabled
                 && elContains(_acceptedServices[categoryName], serviceName)
-                && isFunction(onAccept)
             ) {
                 service._enabled = true;
-                onAccept();
+                isFunction(onAccept) && onAccept();
             }
 
             else if (
                 service._enabled
                 && !elContains(_acceptedServices[categoryName], serviceName)
-                && isFunction(onReject)
             ) {
                 service._enabled = false;
-                onReject();
+                isFunction(onReject) && onReject();
             }
         }
     }
diff --git a/tests/api.test.js b/tests/api.test.js
index 52b4042c..6cf523fe 100644
--- a/tests/api.test.js
+++ b/tests/api.test.js
@@ -346,54 +346,55 @@ describe("API tests", () => {
         expect(api.validCookie('service1Cookie2')).toBe(false);
     })
 
-    it('Should call service onAccept and onReject when both defined', async () => {
+    it('Should mark service as accepted regardless of callback/script', async () => {
         api.reset(true);
-        const onAccept = jest.fn();
-        const onReject = jest.fn();
-        testConfig.categories.analytics.services.service2.onAccept = onAccept;
-        testConfig.categories.analytics.services.service2.onReject = onReject;
+        testConfig.categories.analytics.services.service2.label = 'service2';
+        testConfig.categories.analytics.services.service2.onReject = undefined;
+        testConfig.categories.analytics.services.service2.onReject = undefined;
         await api.run(testConfig);
 
         api.acceptService('service2', 'analytics');
-        api.acceptService([], 'analytics');
-        expect(onAccept).toHaveBeenCalledTimes(1);
-        expect(onReject).toHaveBeenCalledTimes(1);
+        expect(api.acceptedService('service2', 'analytics')).toBe(true);
+    })
+
+    it('Should mark service as rejected regardless of callback/script', async () => {
+        api.reset(true);
+        testConfig.categories.analytics.services.service2.label = 'service2';
+        testConfig.categories.analytics.services.service2.onReject = undefined;
+        testConfig.categories.analytics.services.service2.onReject = undefined;
+        await api.run(testConfig);
 
         api.acceptService('service2', 'analytics');
+        expect(api.acceptedService('service2', 'analytics')).toBe(true);
         api.acceptService([], 'analytics');
-        expect(onAccept).toHaveBeenCalledTimes(2);
-        expect(onReject).toHaveBeenCalledTimes(2);
+        expect(api.acceptedService('service2', 'analytics')).toBe(false);
     })
 
-    it('Should call service onAccept once when onReject not defined', async () => {
+    it('Should call service onAccept once', async () => {
         api.reset(true);
         const onAccept = jest.fn();
         testConfig.categories.analytics.services.service2.onAccept = onAccept;
-        testConfig.categories.analytics.services.service2.onReject = null;
         await api.run(testConfig);
 
         api.acceptService('service2', 'analytics');
-        api.acceptService([], 'analytics');
-        expect(onAccept).toHaveBeenCalledTimes(1);
-
         api.acceptService('service2', 'analytics');
-        api.acceptService([], 'analytics');
+        api.acceptCategory('analytics');
         expect(onAccept).toHaveBeenCalledTimes(1);
     })
 
-    it('Should not call service onReject when onAccept not defined', async () => {
+    it('Should call service onReject once, if previously accepted', async () => {
         api.reset(true);
         const onReject = jest.fn();
-        testConfig.categories.analytics.services.service2.onAccept = null;
+        testConfig.categories.analytics.services.service2.onAccept = undefined;
         testConfig.categories.analytics.services.service2.onReject = onReject;
         await api.run(testConfig);
 
-        api.acceptService('service2', 'analytics');
         api.acceptService([], 'analytics');
         expect(onReject).toHaveBeenCalledTimes(0)
 
-        api.acceptService('service2', 'analytics');
+        api.acceptCategory('all');
         api.acceptService([], 'analytics');
-        expect(onReject).toHaveBeenCalledTimes(0)
+        api.acceptCategory([]);
+        expect(onReject).toHaveBeenCalledTimes(1)
     })
 })
\ No newline at end of file