diff --git a/changelog/unreleased/bugfix-tags-not-editable-locked-files b/changelog/unreleased/bugfix-tags-not-editable-locked-files
new file mode 100644
index 00000000000..7cec7562d98
--- /dev/null
+++ b/changelog/unreleased/bugfix-tags-not-editable-locked-files
@@ -0,0 +1,6 @@
+Bugfix: Tags are no longer editable for a locked file
+
+Tags are no longer editable for files that are currently locked.
+
+https://github.com/owncloud/web/pull/9873
+https://github.com/owncloud/web/issues/9789
diff --git a/packages/web-app-files/src/components/SideBar/TagsPanel.vue b/packages/web-app-files/src/components/SideBar/TagsPanel.vue
index 504bc8ab822..258320a2957 100644
--- a/packages/web-app-files/src/components/SideBar/TagsPanel.vue
+++ b/packages/web-app-files/src/components/SideBar/TagsPanel.vue
@@ -8,6 +8,7 @@
         v-model="selectedTags"
         class="oc-mb-s"
         :multiple="true"
+        :disabled="readonly"
         :options="availableTags"
         :contextual-helper="contextualHelper"
         taggable
@@ -85,6 +86,7 @@ export default defineComponent({
 
     const injectedResource = inject<Resource>('resource')
     const resource = computed<Resource>(() => unref(injectedResource))
+    const readonly = computed(() => unref(resource).locked === true)
     const selectedTags = ref<TagOption[]>([])
     const availableTags = ref<TagOption[]>([])
     let allTags: string[] = []
@@ -230,7 +232,8 @@ export default defineComponent({
       save,
       keycode,
       keydownMethods,
-      contextualHelper
+      contextualHelper,
+      readonly
     }
   }
 })
diff --git a/packages/web-pkg/src/composables/actions/files/useFileActionsShowEditTags.ts b/packages/web-pkg/src/composables/actions/files/useFileActionsShowEditTags.ts
index 5832d431c30..00440a500d8 100644
--- a/packages/web-pkg/src/composables/actions/files/useFileActionsShowEditTags.ts
+++ b/packages/web-pkg/src/composables/actions/files/useFileActionsShowEditTags.ts
@@ -34,6 +34,10 @@ export const useFileActionsShowEditTags = ({ store }: { store?: Store<any> } = {
           return false
         }
 
+        if (resources[0].locked === true) {
+          return false
+        }
+
         if (
           isLocationTrashActive(router, 'files-trash-generic') ||
           isLocationPublicActive(router, 'files-public-link')