diff --git a/README.md b/README.md
index 30fd914..7c6c091 100644
--- a/README.md
+++ b/README.md
@@ -210,12 +210,13 @@ That will generate the rom at `/build/portal64.z64`
 <br />
 
 ## Current New Feature TODO List
+- [ ] portal hole cutting problems
 - [ ] figure out why portals somtimes are in front of window
 - [ ] optimize static culling
 - [ ] jump animation
-- [ ] crashed when dying in test chamber 05 when hit by pellet in mid air while touching a portal
-- [ ] rumble pak support
 - [ ] pausing while glados is speaking can end her speech early
+- [x] crashed when dying in test chamber 05 when hit by pellet in mid air while touching a portal
+- [x] rumble pak support
 - [x] valve intro
 - [x] polish up subtitles
 - [x] more sound settings
diff --git a/src/physics/collision_scene.c b/src/physics/collision_scene.c
index b9ffced..19ec2be 100644
--- a/src/physics/collision_scene.c
+++ b/src/physics/collision_scene.c
@@ -698,6 +698,10 @@ void collisionSceneCollideDynamicPairs(struct CollisionScene* collisionScene, st
 }
 
 int collisionSceneObjectIsTouchingPortal(struct CollisionObject* object, int portalIndex) {
+    if (!gCollisionScene.portalTransforms[portalIndex]) {
+        return 0;
+    }
+    
     struct Simplex simplex;
     struct Vector3 direction;
     quatMultVector(&gCollisionScene.portalTransforms[portalIndex]->rotation, &gRight, &direction);