diff --git a/apps/client/src/services/toast.ts b/apps/client/src/services/toast.ts
index cc67fa225..5325a06bc 100644
--- a/apps/client/src/services/toast.ts
+++ b/apps/client/src/services/toast.ts
@@ -77,11 +77,11 @@ function closePersistent(id: string) {
     $(`#toast-${id}`).remove();
 }
 
-function showMessage(message: string, delay = 2000) {
+function showMessage(message: string, delay = 2000, icon = "check") {
     console.debug(utils.now(), "message:", message);
 
     toast({
-        icon: "check",
+        icon,
         message: message,
         autohide: true,
         delay
diff --git a/apps/client/src/translations/en/translation.json b/apps/client/src/translations/en/translation.json
index ef9605d5e..54025d690 100644
--- a/apps/client/src/translations/en/translation.json
+++ b/apps/client/src/translations/en/translation.json
@@ -2035,7 +2035,8 @@
     "add-column": "Add Column",
     "add-column-placeholder": "Enter column name...",
     "edit-note-title": "Click to edit note title",
-    "edit-column-title": "Click to edit column title"
+    "edit-column-title": "Click to edit column title",
+    "column-already-exists": "This column already exists on the board."
   },
   "presentation_view": {
     "edit-slide": "Edit this slide",
diff --git a/apps/client/src/widgets/collections/board/api.ts b/apps/client/src/widgets/collections/board/api.ts
index 52f7a6d4a..af88f935e 100644
--- a/apps/client/src/widgets/collections/board/api.ts
+++ b/apps/client/src/widgets/collections/board/api.ts
@@ -75,10 +75,10 @@ export default class BoardApi {
 
         // Add the new column to persisted data if it doesn't exist
         const existingColumn = this.viewConfig.columns.find(col => col.value === columnName);
-        if (!existingColumn) {
-            this.viewConfig.columns.push({ value: columnName });
-            this.saveConfig(this.viewConfig);
-        }
+        if (existingColumn) return false;
+        this.viewConfig.columns.push({ value: columnName });
+        this.saveConfig(this.viewConfig);
+        return true;
     }
 
     async removeColumn(column: string) {
diff --git a/apps/client/src/widgets/collections/board/index.tsx b/apps/client/src/widgets/collections/board/index.tsx
index a2a0d9001..519e1103c 100644
--- a/apps/client/src/widgets/collections/board/index.tsx
+++ b/apps/client/src/widgets/collections/board/index.tsx
@@ -14,6 +14,7 @@ import BoardApi from "./api";
 import FormTextArea from "../../react/FormTextArea";
 import FNote from "../../../entities/fnote";
 import NoteAutocomplete from "../../react/NoteAutocomplete";
+import toast from "../../../services/toast";
 
 export interface BoardViewData {
     columns?: BoardColumnData[];
@@ -213,7 +214,12 @@ function AddNewColumn({ api, isInRelationMode }: { api: BoardApi, isInRelationMo
             : (
                 <TitleEditor
                     placeholder={t("board_view.add-column-placeholder")}
-                    save={(columnName) => api.addNewColumn(columnName)}
+                    save={async (columnName) => {
+                        const created = await api.addNewColumn(columnName);
+                        if (!created) {
+                            toast.showMessage(t("board_view.column-already-exists"), undefined, "bx bx-duplicate");
+                        }
+                    }}
                     dismiss={() => setIsCreatingNewColumn(false)}
                     isNewItem
                     mode={isInRelationMode ? "relation" : "normal"}