diff --git a/clightning/clightning.go b/clightning/clightning.go
index 8ddfbd9e..82db1901 100644
--- a/clightning/clightning.go
+++ b/clightning/clightning.go
@@ -131,6 +131,7 @@ func NewClightningClient(ctx context.Context) (*ClightningClient, <-chan interfa
 	cl.Plugin = glightning.NewPlugin(cl.onInit)
 	err := cl.Plugin.RegisterHooks(&glightning.Hooks{
 		CustomMsgReceived: cl.OnCustomMsg,
+		RpcCommand:        cl.OnRPCCommand,
 	})
 	if err != nil {
 		return nil, nil, err
@@ -150,6 +151,25 @@ func NewClightningClient(ctx context.Context) (*ClightningClient, <-chan interfa
 	return cl, cl.initChan, nil
 }
 
+func (cl *ClightningClient) OnRPCCommand(event *glightning.RpcCommandEvent) (*jrpc2.RpcCommandResponse, error) {
+	if cl.gbitcoin != nil {
+		ok, err := cl.gbitcoin.Ping()
+		if err != nil || !ok {
+			log.Infof("trying to send command %s, but failed to connect: %v", event.Cmd.MethodName, err)
+			return event.ReturnError("bitcoin_unavailable", -1)
+		}
+	}
+
+	if cl.liquidWallet != nil {
+		ok, err := cl.liquidWallet.Ping()
+		if err != nil || !ok {
+			log.Infof("trying to send command %s, but failed to connect: %v", event.Cmd.MethodName, err)
+			return event.ReturnError("liquid_unavailable", -1)
+		}
+	}
+	return event.Continue(), nil
+}
+
 // CanSpend checks if an `amtMsat` can be spend. It returns an error if the
 // amount is larger than the `ClnMaxPaymentSizeMsat` if the option
 // `--large-channels` is missing or set to false.