diff --git a/apps/tickets/models/ticket.py b/apps/tickets/models/ticket.py
index 9abd29c96..beb6d129b 100644
--- a/apps/tickets/models/ticket.py
+++ b/apps/tickets/models/ticket.py
@@ -206,10 +206,12 @@ class Ticket(CommonModelMixin, OrgModelMixin):
         self.save()
         post_change_ticket_action.send(sender=self.__class__, ticket=self, action=action)
 
-    # ticket
-    def has_assignee(self, assignee):
+    def has_current_assignee(self, assignee):
         return self.ticket_steps.filter(ticket_assignees__assignee=assignee, level=self.approval_step).exists()
 
+    def has_all_assignee(self, assignee):
+        return self.ticket_steps.filter(ticket_assignees__assignee=assignee).exists()
+
     @classmethod
     def get_user_related_tickets(cls, user):
         queries = Q(applicant=user) | Q(ticket_steps__ticket_assignees__assignee=user)
diff --git a/apps/tickets/permissions/comment.py b/apps/tickets/permissions/comment.py
index c478c7529..deea43d52 100644
--- a/apps/tickets/permissions/comment.py
+++ b/apps/tickets/permissions/comment.py
@@ -15,4 +15,7 @@ class IsApplicant(permissions.BasePermission):
 
 class IsAssignee(permissions.BasePermission):
     def has_permission(self, request, view):
-        return view.ticket.has_assignee(request.user)
+        if view.action == 'list':
+            return view.ticket.has_all_assignee(request.user)
+        elif view.action == 'create':
+            return view.ticket.has_current_assignee(request.user)
diff --git a/apps/tickets/permissions/ticket.py b/apps/tickets/permissions/ticket.py
index bd77421a8..29c7dd7b5 100644
--- a/apps/tickets/permissions/ticket.py
+++ b/apps/tickets/permissions/ticket.py
@@ -3,7 +3,7 @@ from rest_framework import permissions
 
 class IsAssignee(permissions.BasePermission):
     def has_object_permission(self, request, view, obj):
-        return obj.has_assignee(request.user)
+        return obj.has_current_assignee(request.user)
 
 
 class IsApplicant(permissions.BasePermission):