diff --git a/module.json b/module.json
index 3ddfd7a..db38c24 100644
--- a/module.json
+++ b/module.json
@@ -3,8 +3,8 @@
 	"title": "Smart Doors",
 	"description": "Makes doors smarter. Allows doors to synchronize across multiple scenes and sends chat messages when players try to open locked doors.",
 	"version": "1.2.7",
-	"minimumCoreVersion" : "0.8.5",
-	"compatibleCoreVersion" : "0.8.5",
+	"minimumCoreVersion" : "0.8.7",
+	"compatibleCoreVersion" : "0.8.8",
 	"authors": [
 		{
 			"name": "Manuel Vögele",
diff --git a/src/features/synchronized_doors.js b/src/features/synchronized_doors.js
index 018e1fa..1d252ac 100644
--- a/src/features/synchronized_doors.js
+++ b/src/features/synchronized_doors.js
@@ -33,7 +33,7 @@ export function onRederWallConfig(wallConfig, html, data) {
 export async function onWallConfigUpdate(event, formData) {
 	const synchronizeSecretStatus = formData.synchronizeSecretStatus;
 	const updateData = {flags: {smartdoors: {synchronizationGroup: formData.synchronizationGroup}}};
-	let ids = this.options.editTargets;
+	let ids = this.editTargets;
 	if (ids.length == 0) {
 		ids = [this.object.id];
 	}