diff --git a/apiserver/plane/api/permissions/project.py b/apiserver/plane/api/permissions/project.py
index f87aaf08e..eea5192d5 100644
--- a/apiserver/plane/api/permissions/project.py
+++ b/apiserver/plane/api/permissions/project.py
@@ -49,7 +49,7 @@ class ProjectMemberPermission(BasePermission):
         ## Safe Methods -> Handle the filtering logic in queryset
         if request.method in SAFE_METHODS:
             return ProjectMember.objects.filter(
-                workspace=view.workspace, member=request.user
+                workspace__slug=view.workspace_slug, member=request.user
             ).exists()
         ## Only workspace owners or admins can create the projects
         if request.method == "POST":
@@ -77,7 +77,7 @@ class ProjectEntityPermission(BasePermission):
         ## Safe Methods -> Handle the filtering logic in queryset
         if request.method in SAFE_METHODS:
             return ProjectMember.objects.filter(
-                workspace=view.workspace,
+                workspace__slug=view.workspace_slug,
                 member=request.user,
                 project_id=view.project_id,
             ).exists()