diff --git a/BTCPayServer/Views/Stores/PayButton.cshtml b/BTCPayServer/Views/Stores/PayButton.cshtml
index 82ae527f0..a69303225 100644
--- a/BTCPayServer/Views/Stores/PayButton.cshtml
+++ b/BTCPayServer/Views/Stores/PayButton.cshtml
@@ -77,7 +77,7 @@
                 <label>Server IPN</label>
                 <input name="serverIpn" type="text" class="form-control" placeholder="(optional)"
                        v-model="srvModel.serverIpn" v-on:change="inputChanges"
-                       v-validate="'email'" :class="{'is-invalid': errors.has('serverIpn') }">
+                       v-validate="'url'" :class="{'is-invalid': errors.has('serverIpn') }">
                 <small class="text-danger">{{ errors.first('serverIpn') }}</small>
             </div>
             <div class="form-group">