diff --git a/src/game/behaviors/boo.inc.c b/src/game/behaviors/boo.inc.c
index 60ab79256..a2b8b3eb3 100644
--- a/src/game/behaviors/boo.inc.c
+++ b/src/game/behaviors/boo.inc.c
@@ -19,8 +19,13 @@ static s16 sCourtyardBooTripletPositions[][3] = {
     {-210, 70, -210}
 };
 
+static u8 boo_ignore_update(void) {
+    return (o->oHealth == 0);
+}
+
 struct SyncObject* boo_network_init_object(void) {
     struct SyncObject* so = network_init_object(o, 4000.0f);
+    so->ignore_if_true = boo_ignore_update;
     network_init_object_field(o, &o->oBooBaseScale);
     network_init_object_field(o, &o->oBooNegatedAggressiveness);
     network_init_object_field(o, &o->oBooOscillationTimer);
@@ -735,7 +740,7 @@ static void (*sBooGivingStarActions[])(void) = {
 };
 
 u8 big_boo_ignore_update(void) {
-    return cur_obj_has_behavior(bhvGhostHuntBigBoo) && !bigBooActivated;
+    return o->oHealth == 0 || (cur_obj_has_behavior(bhvGhostHuntBigBoo) && !bigBooActivated);
 }
 
 void bhv_big_boo_loop(void) {
@@ -744,7 +749,7 @@ void bhv_big_boo_loop(void) {
             bigBooActivated = FALSE;
             struct SyncObject* so = boo_network_init_object();
             so->syncDeathEvent = FALSE;
-            so->ignore_if_true = &big_boo_ignore_update;
+            so->ignore_if_true = big_boo_ignore_update;
         }
     } else if (o->oHealth <= 0) {
         if (network_sync_object_initialized(o)) {
diff --git a/src/game/behaviors/cannon.inc.c b/src/game/behaviors/cannon.inc.c
index 8e9c16b58..d4113680b 100644
--- a/src/game/behaviors/cannon.inc.c
+++ b/src/game/behaviors/cannon.inc.c
@@ -178,8 +178,8 @@ static void cannon_on_received(void) {
 void bhv_cannon_base_loop(void) {
     if (!network_sync_object_initialized(o)) {
         struct SyncObject* so = network_init_object(o, SYNC_DISTANCE_ONLY_EVENTS);
-        so->ignore_if_true = &cannon_ignore_remote_updates;
-        so->on_received = &cannon_on_received;
+        so->ignore_if_true = cannon_ignore_remote_updates;
+        so->on_received = cannon_on_received;
         network_init_object_field(o, &o->oAction);
         network_init_object_field(o, &o->oPrevAction);
         network_init_object_field(o, &o->oTimer);
diff --git a/src/game/behaviors/king_bobomb.inc.c b/src/game/behaviors/king_bobomb.inc.c
index c5d31251d..b707c4885 100644
--- a/src/game/behaviors/king_bobomb.inc.c
+++ b/src/game/behaviors/king_bobomb.inc.c
@@ -364,7 +364,7 @@ u8 king_bobomb_ignore_if_true(void) { return o->oAction == 8; }
 void bhv_king_bobomb_loop(void) {
     if (!network_sync_object_initialized(o)) {
         struct SyncObject* so = network_init_object(o, 4000.0f);
-        so->ignore_if_true = &king_bobomb_ignore_if_true;
+        so->ignore_if_true = king_bobomb_ignore_if_true;
         network_init_object_field(o, &o->oKingBobombUnk88);
         network_init_object_field(o, &o->oFlags);
         network_init_object_field(o, &o->oHealth);