diff --git a/src/game/behaviors/koopa.inc.c b/src/game/behaviors/koopa.inc.c
index 273ce5f1..5e48e746 100644
--- a/src/game/behaviors/koopa.inc.c
+++ b/src/game/behaviors/koopa.inc.c
@@ -1,4 +1,3 @@
-
 /**
  * Behavior for bhvKoopa and bhvKoopaRaceEndpoint.
  * bhvKoopa includes normal, unshelled, tiny, and Koopa the Quick.
@@ -116,7 +115,13 @@ void bhv_koopa_init(void) {
 
     if (o->oKoopaMovementType >= KOOPA_BP_KOOPA_THE_QUICK_BASE) {
         // koopa the quick
-        o->parentObj = cur_obj_nearest_object_with_behavior(bhvKoopaRaceEndpoint);
+        if (cur_obj_nearest_object_with_behavior(bhvKoopaRaceEndpoint) != NULL) {
+            o->parentObj = cur_obj_nearest_object_with_behavior(bhvKoopaRaceEndpoint);
+        }
+        else {
+            obj_mark_for_deletion(o);
+            return;
+        }
         struct SyncObject* so  = sync_object_init(o, SYNC_DISTANCE_ONLY_EVENTS);
         if (so) {
             so->on_received_post   = bhv_koopa_the_quick_on_received_post;
diff --git a/src/game/behaviors/ukiki.inc.c b/src/game/behaviors/ukiki.inc.c
index d425dacb..265e07e0 100644
--- a/src/game/behaviors/ukiki.inc.c
+++ b/src/game/behaviors/ukiki.inc.c
@@ -365,7 +365,13 @@ void ukiki_act_go_to_cage(void) {
     struct Object* obj;
     f32 latDistToCage = 0.0f;
     s16 yawToCage = 0;
-    obj = cur_obj_nearest_object_with_behavior(bhvUkikiCageChild);
+    if (cur_obj_nearest_object_with_behavior(bhvUkikiCageChild) != NULL) {
+        obj = cur_obj_nearest_object_with_behavior(bhvUkikiCageChild);
+    }
+    else {
+        obj_mark_for_deletion(o);
+        return;
+    }
 
     // Ultimately is checking the cage, as it points to the parent
     // of a dummy child object of the cage.