diff --git a/BTCPayServer/Views/Shared/Bitcoin_Lightning_LikeMethodCheckout.cshtml b/BTCPayServer/Views/Shared/Bitcoin_Lightning_LikeMethodCheckout.cshtml
index 40d519598..f5b392eaf 100644
--- a/BTCPayServer/Views/Shared/Bitcoin_Lightning_LikeMethodCheckout.cshtml
+++ b/BTCPayServer/Views/Shared/Bitcoin_Lightning_LikeMethodCheckout.cshtml
@@ -228,7 +228,7 @@
             },
             computed: {
                 hasPayjoin: function(){
-                    return this.srvModel.invoiceBitcoinUrl.indexOf('@PayjoinClient.BIP21EndpointKey') === -1;
+                    return this.srvModel.invoiceBitcoinUrl.indexOf('@PayjoinClient.BIP21EndpointKey=') === -1;
                 },
                 coinswitchAmountDue: function() {
                     return this.srvModel.coinSwitchAmountMarkupPercentage