diff --git a/networking/webrtc_signaling/client/ws_webrtc_client.gd b/networking/webrtc_signaling/client/ws_webrtc_client.gd
index c81ae6cf18..fa7eb331dd 100644
--- a/networking/webrtc_signaling/client/ws_webrtc_client.gd
+++ b/networking/webrtc_signaling/client/ws_webrtc_client.gd
@@ -124,7 +124,7 @@ func send_answer(id: int, answer: String) -> Error:
 
 func _send_msg(type: int, id: int, data: String = "") -> Error:
 	return ws.send_text(JSON.stringify({
-		"type": type,
-		"id": id,
+		"type": str(type),
+		"id": str(id),
 		"data": data,
 	}))
diff --git a/networking/webrtc_signaling/project.godot b/networking/webrtc_signaling/project.godot
index 78c8e4729d..8619a4dfc3 100644
--- a/networking/webrtc_signaling/project.godot
+++ b/networking/webrtc_signaling/project.godot
@@ -17,7 +17,7 @@ The protocol is text based, and composed by a command and possibly
 multiple payload arguments, each separated by a new line."
 config/tags=PackedStringArray("demo", "network", "official")
 run/main_scene="res://demo/main.tscn"
-config/features=PackedStringArray("4.2")
+config/features=PackedStringArray("4.3")
 
 [debug]
 
diff --git a/networking/webrtc_signaling/server/ws_webrtc_server.gd b/networking/webrtc_signaling/server/ws_webrtc_server.gd
index dface0ee1a..6ad8b7ccd7 100644
--- a/networking/webrtc_signaling/server/ws_webrtc_server.gd
+++ b/networking/webrtc_signaling/server/ws_webrtc_server.gd
@@ -45,8 +45,8 @@ class Peer extends RefCounted:
 
 	func send(type: int, id: int, data: String = "") -> void:
 		return ws.send_text(JSON.stringify({
-			"type": type,
-			"id": id,
+			"type": str(type),
+			"id": str(id),
 			"data": data,
 		}))