diff --git a/buildStripDefs.js b/buildStripDefs.js
index d006bc1..0059a0b 100644
--- a/buildStripDefs.js
+++ b/buildStripDefs.js
@@ -1092,7 +1092,7 @@ export function buildStripDefs(self) {
 		} else {
 			for (let c = theStrip.min; c <= theStrip.max; c++) {
 				let theID = chID + '/' + pad0(c, d) + muteSfx
-				let feedbackID = stripID + '_' + c
+				let feedbackID = unSlash(stripID) + '_' + c
 				fbToStat[feedbackID] = theID
 				stat[theID] = {
 					isOn: false,
diff --git a/package.json b/package.json
index fa1566d..67400b5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "behringer-xair",
-	"version": "2.6.1",
+	"version": "2.6.2",
 	"type": "module",
 	"main": "index.js",
 	"scripts": {
diff --git a/upgrades.js b/upgrades.js
index 7f9b1ba..6f4e8fe 100644
--- a/upgrades.js
+++ b/upgrades.js
@@ -129,4 +129,30 @@ export const UpgradeScripts = [
 		}
 		return result
 	},
+
+  function (context, props) {
+		const result = {
+			updatedConfig: null,
+			updatedActions: [],
+			updatedFeedbacks: [],
+		}
+
+		for (let fb of props.feedbacks) {
+			let changed = false
+			if (fb.feedbackId == 'config/mute') {
+				fb.feedbackId = 'config_mute'
+				changed = true
+			}
+			if (fb.feedbackId == 'config_mute') {
+				if (fb.options.state == undefined) {
+					fb.options.state = '1'
+					changed = true
+				}
+			}
+			if (changed) {
+				result.updatedFeedbacks.push(fb)
+			}
+		}
+		return result
+	},
 ]