diff --git a/src/services/IndexedDbPersistenceService.ts b/src/services/IndexedDbPersistenceService.ts
index fe6d6cef..60ce1812 100644
--- a/src/services/IndexedDbPersistenceService.ts
+++ b/src/services/IndexedDbPersistenceService.ts
@@ -504,14 +504,7 @@ class IndexedDbPersistenceService implements PersistenceService {
   }
 
   async deleteGroupByTitle(title: string): Promise<void> {
-    const groups = await this.getGroups()
-    //    .then(groups => {
-      for (const g of groups) {
-        if (g.title === title) {
-          await this.db.delete('groups', g.id)
-        }
-      }
-   // })
+    return this.db.delete('groups', title)
   }
 
   private async initDatabase(dbName: string): Promise<IDBPDatabase> {
diff --git a/src/stores/groupsStore.ts b/src/stores/groupsStore.ts
index 2753e34b..751a22cf 100644
--- a/src/stores/groupsStore.ts
+++ b/src/stores/groupsStore.ts
@@ -66,6 +66,7 @@ export const useGroupsStore = defineStore('groups', () => {
     }
 
     function onCreated(group: chrome.tabGroups.TabGroup) {
+        console.debug("group: onCreated", group)
         if (inBexMode() && chrome?.tabGroups && group.title) {
             // update currentTabGroups
             chrome.tabGroups.query({}, (groups) => {
@@ -75,11 +76,19 @@ export const useGroupsStore = defineStore('groups', () => {
     }
 
     function onUpdated(group: chrome.tabGroups.TabGroup) {
+        console.log("group: onUpdated", group)
         if (inBexMode() && chrome?.tabGroups) {
             // update currentTabGroups
             chrome.tabGroups.query({}, (groups) => {
                 currentTabGroups.value = groups
 
+                console.log("set currentTabGroups to", groups)
+
+                // update tabGroups
+                for (const g of groups) {
+                    useGroupsStore().persistGroup(g)
+                }
+
                 // update the group names for matching group ids
                 for (const ts of [...useTabsStore().tabsets.values()]) {
                     let matchForTabset = false
@@ -99,7 +108,7 @@ export const useGroupsStore = defineStore('groups', () => {
 
                 // update color changes
                 for (const g of groups) {
-                    const tabGroup =  findGroup([...tabGroups.value.values()], undefined, g.title)
+                    const tabGroup = findGroup([...tabGroups.value.values()], undefined, g.title)
                     if (tabGroup && tabGroup.color !== g.color) {
                         console.log("updating group", tabGroup, g)
                         storage.updateGroup(g)
@@ -159,7 +168,15 @@ export const useGroupsStore = defineStore('groups', () => {
     }
 
     function persistGroup(group: chrome.tabGroups.TabGroup) {
-        storage.addGroup(JSON.parse(JSON.stringify(group)) as chrome.tabGroups.TabGroup)
+        if (group.title) {
+            storage.getGroups().then(existingGroups => {
+                if (existingGroups.findIndex(g => g.title === group.title) < 0) {
+                    storage.addGroup(JSON.parse(JSON.stringify(group)) as chrome.tabGroups.TabGroup)
+                } else {
+                    console.debug("group '" + group.title + "' exists already")
+                }
+            })
+        }
     }
 
     function updateGroup(group: chrome.tabGroups.TabGroup) {
@@ -171,11 +188,11 @@ export const useGroupsStore = defineStore('groups', () => {
         // console.log("found group to delete", groupFound)
         //
         // if (groupFound) {
-            // remove here in groupsStore
-            tabGroups.value.delete(title)
-            // delete in DB
-            return storage.deleteGroupByTitle(title)
-       // }
+        // remove here in groupsStore
+        tabGroups.value.delete(title)
+        // delete in DB
+        return storage.deleteGroupByTitle(title)
+        // }
 
         // delete in all tabs?
 
@@ -185,7 +202,7 @@ export const useGroupsStore = defineStore('groups', () => {
     return {
         initialize,
         initListeners,
-      //  groupFor,
+        //  groupFor,
         groupForName,
         currentGroupForName,
         currentGroupForId,
diff --git a/test/vitest/__tests__/domain/groups/DeleteChromeGroupCommand.test.ts b/test/vitest/__tests__/domain/groups/DeleteChromeGroupCommand.test.ts
index 213f8037..58ada9dd 100644
--- a/test/vitest/__tests__/domain/groups/DeleteChromeGroupCommand.test.ts
+++ b/test/vitest/__tests__/domain/groups/DeleteChromeGroupCommand.test.ts
@@ -44,10 +44,10 @@ describe('DeleteChromeGroupCommand', () => {
         const groups = await  db.getGroups()
         expect(groups.length).toBe(1)
 
-        const cmd = await new DeleteChromeGroupCommand("groupName").execute()
+        await new DeleteChromeGroupCommand("groupName").execute()
 
         const groupsAfterDeletion = await  db.getGroups()
-        //expect(groupsAfterDeletion.length).toBe(0)
+        expect(groupsAfterDeletion.length).toBe(0)
     })