From 6cf96372ba363ef9f9674f97cb43736f53984e60 Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <c.oelckers@zdoom.fake>
Date: Wed, 29 Jun 2016 12:13:24 +0200
Subject: [PATCH] - fixed: incorrect flag masking for polyobjects disabled all
 line portals.

---
 src/portal.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/portal.cpp b/src/portal.cpp
index f180a4fbf..bf919f09a 100644
--- a/src/portal.cpp
+++ b/src/portal.cpp
@@ -288,7 +288,7 @@ static void SetRotation(FLinePortal *port)
 			}
 			else
 			{
-				port->mFlags &= PORTF_POLYOBJ;
+				port->mFlags &= ~PORTF_POLYOBJ;
 			}
 		}
 		else