diff --git a/internal/types/message/messages.go b/internal/types/message/messages.go
index d1a6356e..d40f9af4 100644
--- a/internal/types/message/messages.go
+++ b/internal/types/message/messages.go
@@ -21,13 +21,14 @@ type SystemWebRTC struct {
 }
 
 type SystemInit struct {
-	Event           string                 `json:"event,omitempty"`
-	SessionId       string                 `json:"session_id"`
-	ControlHost     ControlHost            `json:"control_host"`
-	ScreenSize      ScreenSize             `json:"screen_size"`
-	Sessions        map[string]SessionData `json:"sessions"`
-	ImplicitHosting bool                   `json:"implicit_hosting"`
-	WebRTC          SystemWebRTC           `json:"webrtc"`
+	Event             string                 `json:"event,omitempty"`
+	SessionId         string                 `json:"session_id"`
+	ControlHost       ControlHost            `json:"control_host"`
+	ScreenSize        ScreenSize             `json:"screen_size"`
+	Sessions          map[string]SessionData `json:"sessions"`
+	ImplicitHosting   bool                   `json:"implicit_hosting"`
+	ScreencastEnabled bool                   `json:"screencast_enabled"`
+	WebRTC            SystemWebRTC           `json:"webrtc"`
 }
 
 type SystemAdmin struct {
diff --git a/internal/websocket/handler/system.go b/internal/websocket/handler/system.go
index 553a0776..59c2a63a 100644
--- a/internal/websocket/handler/system.go
+++ b/internal/websocket/handler/system.go
@@ -43,8 +43,9 @@ func (h *MessageHandlerCtx) systemInit(session types.Session) error {
 				Height: size.Height,
 				Rate:   size.Rate,
 			},
-			Sessions:        sessions,
-			ImplicitHosting: h.sessions.ImplicitHosting(),
+			Sessions:          sessions,
+			ImplicitHosting:   h.sessions.ImplicitHosting(),
+			ScreencastEnabled: h.capture.Screencast().Enabled(),
 			WebRTC: message.SystemWebRTC{
 				Videos: h.capture.VideoIDs(),
 			},