diff --git a/assignment-client/src/Agent.cpp b/assignment-client/src/Agent.cpp
index 26bfb586a6..8816ed9629 100644
--- a/assignment-client/src/Agent.cpp
+++ b/assignment-client/src/Agent.cpp
@@ -600,12 +600,17 @@ void Agent::sendAvatarIdentityPacket() {
 
 void Agent::sendAvatarViewFrustum() {
     auto scriptedAvatar = DependencyManager::get<ScriptableAvatar>();
+
     ViewFrustum view;
     view.setPosition(scriptedAvatar->getWorldPosition());
     view.setOrientation(scriptedAvatar->getHeadOrientation());
+    view.calculate();
+
+    uint8_t numFrustums = 1;
     auto viewFrustumByteArray = view.toByteArray();
 
-    auto avatarPacket = NLPacket::create(PacketType::ViewFrustum, viewFrustumByteArray.size());
+    auto avatarPacket = NLPacket::create(PacketType::ViewFrustum, viewFrustumByteArray.size() + sizeof(numFrustums));
+    avatarPacket->writePrimitive(numFrustums);
     avatarPacket->write(viewFrustumByteArray);
 
     DependencyManager::get<NodeList>()->broadcastToNodes(std::move(avatarPacket),
diff --git a/assignment-client/src/avatars/AvatarMixerClientData.cpp b/assignment-client/src/avatars/AvatarMixerClientData.cpp
index 8c159cf744..a8e5a7c541 100644
--- a/assignment-client/src/avatars/AvatarMixerClientData.cpp
+++ b/assignment-client/src/avatars/AvatarMixerClientData.cpp
@@ -126,13 +126,18 @@ void AvatarMixerClientData::removeFromRadiusIgnoringSet(SharedNodePointer self,
     }
 }
 
-void AvatarMixerClientData::readViewFrustumPacket(const QByteArray& message) {
+void AvatarMixerClientData::readViewFrustumPacket(QByteArray message) {
     _currentViewFrustums.clear();
+    
+    uint8_t numFrustums = 0;
+    memcpy(&numFrustums, message.constData(), sizeof(numFrustums));
+    message.remove(0, sizeof(numFrustums));
 
-    auto offset = 0;
-    while (offset < message.size()) {
+    for (uint8_t i = 0; i < numFrustums; ++i) {
         ViewFrustum frustum;
-        offset += frustum.fromByteArray(message);
+        auto bytesRead = frustum.fromByteArray(message);
+        message.remove(0, bytesRead);
+
         _currentViewFrustums.push_back(frustum);
     }
 }
diff --git a/assignment-client/src/avatars/AvatarMixerClientData.h b/assignment-client/src/avatars/AvatarMixerClientData.h
index 13415d6a66..f17404b79f 100644
--- a/assignment-client/src/avatars/AvatarMixerClientData.h
+++ b/assignment-client/src/avatars/AvatarMixerClientData.h
@@ -98,7 +98,7 @@ public:
     void removeFromRadiusIgnoringSet(SharedNodePointer self, const QUuid& other);
     void ignoreOther(SharedNodePointer self, SharedNodePointer other);
 
-    void readViewFrustumPacket(const QByteArray& message);
+    void readViewFrustumPacket(QByteArray message);
 
     bool otherAvatarInView(const AABox& otherAvatarBox);
 
diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index cdb535fad1..c88b5981b4 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -5805,12 +5805,16 @@ void Application::update(float deltaTime) {
 }
 
 void Application::sendAvatarViewFrustum() {
+    uint8_t numFrustums = 1;
     QByteArray viewFrustumByteArray = _viewFrustum.toByteArray();
+
     if (_hasSecondaryViewFrustum) {
+        ++numFrustums;
         viewFrustumByteArray += _secondaryViewFrustum.toByteArray();
     }
 
-    auto avatarPacket = NLPacket::create(PacketType::ViewFrustum, viewFrustumByteArray.size());
+    auto avatarPacket = NLPacket::create(PacketType::ViewFrustum, viewFrustumByteArray.size() + sizeof(numFrustums));
+    avatarPacket->writePrimitive(numFrustums);
     avatarPacket->write(viewFrustumByteArray);
 
     DependencyManager::get<NodeList>()->broadcastToNodes(std::move(avatarPacket), NodeSet() << NodeType::AvatarMixer);