diff --git a/src/game/behaviors/cannon.inc.c b/src/game/behaviors/cannon.inc.c
index 2755afe7b..22a5ff6f1 100644
--- a/src/game/behaviors/cannon.inc.c
+++ b/src/game/behaviors/cannon.inc.c
@@ -146,14 +146,47 @@ u8 unused0EA1FC[] = { 2,  0,   0, 0, 0,  0,   0, 0, 63, 128, 0, 0, 2,  0,   0, 0
                       63, 128, 0, 0, 2,  0,   0, 0, 65, 160, 0, 0, 63, 128, 0, 0, 2,  0,   0, 0,
                       65, 160, 0, 0, 63, 128, 0, 0, 8,  0,   0, 0, 65, 32,  0, 0, 63, 128, 0, 0 };
 
-u8 cannon_ignore_remote_updates(struct Object* object) { return object->oCannonIsLocal; }
+u8 cannon_ignore_remote_updates(struct Object* object) {
+    // two-player hack
+    return ((gNetworkType == NT_SERVER) && object->oCannonIsLocal);
+}
+
+static void cannon_on_received(void) {
+    // check if we're on in the cannon too
+    struct MarioState* m = &gMarioStates[0];
+    if (m->action != ACT_IN_CANNON) { return; }
+    if (m->interactObj != o) { return; }
+    // two-player hack
+    if (gNetworkType == NT_SERVER) { return; }
+
+    // eject the player by shooting out of the cannon weakly
+    m->forwardVel = 10.0f * coss(m->faceAngle[0]);
+    m->vel[1] = 10.0f * sins(m->faceAngle[0]);
+    m->pos[0] += 120.0f * coss(m->faceAngle[0]) * sins(m->faceAngle[1]);
+    m->pos[1] += 120.0f * sins(m->faceAngle[0]);
+    m->pos[2] += 120.0f * coss(m->faceAngle[0]) * coss(m->faceAngle[1]);
+    set_mario_action(m, ACT_SHOT_FROM_CANNON, 0);
+
+    // reset things that got messed up
+    m->marioObj->header.gfx.node.flags |= GRAPH_RENDER_ACTIVE;
+    reset_camera(gCamera);
+    o->oCannonIsLocal = FALSE;
+    cur_obj_become_tangible();
+    cur_obj_enable_rendering();
+}
 
 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;
         network_init_object_field(o, &o->oAction);
+        network_init_object_field(o, &o->oPrevAction);
         network_init_object_field(o, &o->oTimer);
+        network_init_object_field(o, &o->oPosX);
+        network_init_object_field(o, &o->oPosY);
+        network_init_object_field(o, &o->oPosZ);
+        network_init_object_field(o, &o->oCannonUnk10C);
         network_init_object_field(o, &o->oCannonUnk10C);
         network_init_object_field(o, &o->oCannonUnkF8);
         network_init_object_field(o, &o->oCannonUnkF4);
diff --git a/src/game/interaction.c b/src/game/interaction.c
index 15ef6eb79..e1b608a48 100644
--- a/src/game/interaction.c
+++ b/src/game/interaction.c
@@ -1233,6 +1233,7 @@ u32 interact_player(struct MarioState* m, UNUSED u32 interactType, struct Object
 
     // attacked
     u8 isInCutscene = ((m->action & ACT_GROUP_MASK) == ACT_GROUP_CUTSCENE) || ((m2->action & ACT_GROUP_MASK) == ACT_GROUP_CUTSCENE);
+    isInCutscene = isInCutscene || (m->action == ACT_IN_CANNON) || (m2->action == ACT_IN_CANNON);
     u8 isInvulnerable = (m2->action & ACT_FLAG_INVULNERABLE) || m2->invincTimer != 0 || m2->hurtCounter != 0 || isInCutscene;
     if ((interaction & INT_ANY_ATTACK) && !(interaction & INT_HIT_FROM_ABOVE) && !isInvulnerable) {
 
diff --git a/src/pc/network/network.h b/src/pc/network/network.h
index e7116a432..61f867927 100644
--- a/src/pc/network/network.h
+++ b/src/pc/network/network.h
@@ -62,6 +62,7 @@ struct SyncObject {
     bool hasStandardFields;
     float maxUpdateRate;
     u8 (*ignore_if_true)(struct Object*);
+    void (*on_received)(void);
     void* extraFields[MAX_SYNC_OBJECT_FIELDS];
 };
 
diff --git a/src/pc/network/packets/packet_object.c b/src/pc/network/packets/packet_object.c
index 6c9048b29..e29ecc36d 100644
--- a/src/pc/network/packets/packet_object.c
+++ b/src/pc/network/packets/packet_object.c
@@ -55,6 +55,7 @@ struct SyncObject* network_init_object(struct Object *o, float maxSyncDistance)
     so->hasStandardFields = (maxSyncDistance >= 0);
     so->maxUpdateRate = 0;
     so->ignore_if_true = NULL;
+    so->on_received = NULL;
     so->syncDeathEvent = true;
     memset(so->extraFields, 0, sizeof(void*) * MAX_SYNC_OBJECT_FIELDS);
 
@@ -372,6 +373,15 @@ void network_receive_object(struct Packet* p) {
     if (o->activeFlags == ACTIVE_FLAG_DEACTIVATED) {
         network_forget_sync_object(so);
     }
+
+    // trigger on-received callback
+    if (so->on_received != NULL) {
+        extern struct Object* gCurrentObject;
+        struct Object* tmp = gCurrentObject;
+        gCurrentObject = so->o;
+        (*so->on_received)();
+        gCurrentObject = tmp;
+    }
 }
 
 void network_forget_sync_object(struct SyncObject* so) {