diff --git a/atst/routes/portfolios/admin.py b/atst/routes/portfolios/admin.py
index 460451d8..bc51405d 100644
--- a/atst/routes/portfolios/admin.py
+++ b/atst/routes/portfolios/admin.py
@@ -177,6 +177,12 @@ def remove_member(portfolio_id, user_id):
             g.current_user, "you cant remove yourself from the portfolio"
         )
 
+    portfolio = Portfolios.get(user=g.current_user, portfolio_id=portfolio_id)
+    if user_id == str(portfolio.owner.id):
+        raise UnauthorizedError(
+            g.current_user, "you can't delete the portfolios PPoC from the portfolio"
+        )
+
     portfolio_role = PortfolioRoles.get(portfolio_id=portfolio_id, user_id=user_id)
     # TODO: should this cascade and disable any application and environment
     # roles they might have?
diff --git a/tests/routes/portfolios/test_admin.py b/tests/routes/portfolios/test_admin.py
index a1ec92a3..0085a9b5 100644
--- a/tests/routes/portfolios/test_admin.py
+++ b/tests/routes/portfolios/test_admin.py
@@ -358,6 +358,7 @@ def test_remove_portfolio_member_self(client, user_session):
         == PortfolioRoleStatus.ACTIVE
     )
 
+
 def test_remove_portfolio_member_ppoc(client, user_session):
     portfolio = PortfolioFactory.create()
 
@@ -384,5 +385,3 @@ def test_remove_portfolio_member_ppoc(client, user_session):
         PortfolioRoles.get(portfolio_id=portfolio.id, user_id=portfolio.owner.id).status
         == PortfolioRoleStatus.ACTIVE
     )
-
-