diff --git a/taiga/projects/notifications/services.py b/taiga/projects/notifications/services.py
index 67d0e352..189d4f6a 100644
--- a/taiga/projects/notifications/services.py
+++ b/taiga/projects/notifications/services.py
@@ -139,6 +139,10 @@ def _filter_by_permissions(obj, user):
     return False
 
 
+def _filter_notificable(user):
+    return user.is_active and not user.is_system
+
+
 def get_users_to_notify(obj, *, discard_users=None) -> list:
     """
     Get filtered set of users to notify for specified
@@ -168,7 +172,8 @@ def get_users_to_notify(obj, *, discard_users=None) -> list:
         candidates = candidates - set(discard_users)
 
     candidates = filter(partial(_filter_by_permissions, obj), candidates)
-
+    # Filter disabled and system users
+    candidates = filter(partial(_filter_notificable), candidates)
     return frozenset(candidates)
 
 
diff --git a/tests/integration/test_notifications.py b/tests/integration/test_notifications.py
index 5e5986d3..b3874495 100644
--- a/tests/integration/test_notifications.py
+++ b/tests/integration/test_notifications.py
@@ -109,14 +109,25 @@ def test_users_to_notify():
     member3 = f.MembershipFactory.create(project=project, role=role1)
     member4 = f.MembershipFactory.create(project=project, role=role1)
     member5 = f.MembershipFactory.create(project=project, role=role2)
+    inactive_member1 = f.MembershipFactory.create(project=project, role=role1)
+    inactive_member1.user.is_active =  False
+    inactive_member1.user.save()
+    system_member1 = f.MembershipFactory.create(project=project, role=role1)
+    system_member1.user.is_system = True
+    system_member1.user.save()
 
     issue = f.IssueFactory.create(project=project, owner=member4.user)
 
     policy_model_cls = apps.get_model("notifications", "NotifyPolicy")
 
     policy1 = policy_model_cls.objects.get(user=member1.user)
-    policy_model_cls.objects.get(user=member2.user)
-    policy3 = policy_model_cls.objects.get(user=member3.user)
+    policy2 = policy_model_cls.objects.get(user=member3.user)
+    policy3 = policy_model_cls.objects.get(user=inactive_member1.user)
+    policy3.notify_level = NotifyLevel.watch
+    policy3.save()
+    policy4 = policy_model_cls.objects.get(user=system_member1.user)
+    policy4.notify_level = NotifyLevel.watch
+    policy4.save()
 
     history = MagicMock()
     history.owner = member2.user
@@ -144,8 +155,8 @@ def test_users_to_notify():
     assert users == {member1.user, member3.user, issue.get_owner()}
 
     # Test with watchers with ignore policy
-    policy3.notify_level = NotifyLevel.ignore
-    policy3.save()
+    policy2.notify_level = NotifyLevel.ignore
+    policy2.save()
 
     issue.watchers.add(member3.user)
     users = services.get_users_to_notify(issue)
@@ -158,6 +169,16 @@ def test_users_to_notify():
     assert len(users) == 2
     assert users == {member1.user, issue.get_owner()}
 
+    # Test with inactive user
+    issue.watchers.add(inactive_member1.user)
+    assert len(users) == 2
+    assert users == {member1.user, issue.get_owner()}
+
+    # Test with system user
+    issue.watchers.add(system_member1.user)
+    assert len(users) == 2
+    assert users == {member1.user, issue.get_owner()}
+
 
 def test_send_notifications_using_services_method(settings, mail):
     settings.CHANGE_NOTIFICATIONS_MIN_INTERVAL = 1