diff --git a/src/ProfilerUI.hx b/src/ProfilerUI.hx
index 901b9beb..5c4495e3 100644
--- a/src/ProfilerUI.hx
+++ b/src/ProfilerUI.hx
@@ -107,7 +107,10 @@ class ProfilerUI {
 				lastSentMove = @:privateAccess Net.clientConnection.moveManager.queuedMoves[Net.clientConnection.moveManager.queuedMoves.length - 1].id;
 			}
 
-			if (Net.isClient) {
+			if (Net.isClient
+				&& lastSentMove != null
+				&& @:privateAccess MarbleGame.instance.world.lastMoves != null
+				&& @:privateAccess MarbleGame.instance.world.lastMoves.myMarbleUpdate != null) {
 				instance.networkStats.text = 'Client World Ticks: ${MarbleGame.instance.world.timeState.ticks}\n'
 					+ 'Client Marble Ticks: ${@:privateAccess MarbleGame.instance.world.marble.serverTicks}\n'
 					+ 'Server Ticks: ${@:privateAccess MarbleGame.instance.world.lastMoves.myMarbleUpdate.serverTicks}\n'
diff --git a/src/gui/PlayGui.hx b/src/gui/PlayGui.hx
index 97f80c79..46775350 100644
--- a/src/gui/PlayGui.hx
+++ b/src/gui/PlayGui.hx
@@ -74,7 +74,6 @@ class PlayGui {
 	var blastFillUltra:GuiImage;
 	var blastFrame:GuiImage;
 
-	var playerListContainerOuter:GuiControl;
 	var playerListContainer:GuiControl;
 	var playerListCtrl:GuiMLTextListCtrl;
 	var playerListScoresCtrl:GuiMLTextListCtrl;
@@ -104,6 +103,19 @@ class PlayGui {
 		if (_init) {
 			playGuiCtrlOuter.dispose();
 
+			if (playerListContainer != null) {
+				playerListContainer.dispose();
+				playerListContainer = null;
+				playerListCtrl.dispose();
+				playerListCtrl = null;
+				playerListShadowCtrl.dispose();
+				playerListShadowCtrl = null;
+				playerListScoresCtrl.dispose();
+				playerListScoresCtrl = null;
+				playerListScoresShadowCtrl.dispose();
+				playerListScoresShadowCtrl = null;
+			}
+
 			for (textureResource in textureResources) {
 				textureResource.release();
 			}
diff --git a/src/net/Net.hx b/src/net/Net.hx
index 1d283370..868f31cb 100644
--- a/src/net/Net.hx
+++ b/src/net/Net.hx
@@ -415,10 +415,20 @@ class Net {
 		if (wsAccum >= 20.0) {
 			wsAccum = 0;
 			if (Net.isHost) {
-				MasterServerClient.instance.sendServerInfo(serverInfo); // Heartbeat
+				if (MasterServerClient.instance != null)
+					MasterServerClient.instance.sendServerInfo(serverInfo); // Heartbeat
+				else
+					MasterServerClient.connectToMasterServer(() -> {
+						MasterServerClient.instance.sendServerInfo(serverInfo); // Heartbeat
+					});
 			}
 			if (Net.isClient) {
-				MasterServerClient.instance.heartBeat();
+				if (MasterServerClient.instance != null)
+					MasterServerClient.instance.heartBeat();
+				else
+					MasterServerClient.connectToMasterServer(() -> {
+						MasterServerClient.instance.heartBeat();
+					});
 			}
 		}
 	}