diff --git a/arduino-ide-extension/src/browser/arduino-file-menu.ts b/arduino-ide-extension/src/browser/arduino-file-menu.ts
index a33dd454..30598267 100644
--- a/arduino-ide-extension/src/browser/arduino-file-menu.ts
+++ b/arduino-ide-extension/src/browser/arduino-file-menu.ts
@@ -5,6 +5,7 @@ import { ArduinoCommands } from "./arduino-commands";
 import { SketchesService, Sketch } from "../common/protocol/sketches-service";
 import { AWorkspaceService } from "./arduino-workspace-service";
 import { BoardsService, Board, AttachedSerialBoard, AttachedNetworkBoard } from "../common/protocol/boards-service";
+import { BoardFrontendService } from "./boards/board-frontend-service";
 
 export namespace ArduinoToolbarContextMenu {
     export const OPEN_SKETCH_PATH: MenuPath = ['arduino-open-sketch-context-menu'];
@@ -29,6 +30,9 @@ export class ArduinoToolbarMenuContribution implements MenuContribution {
     @inject(BoardsService)
     protected readonly boardsService: BoardsService;
 
+    @inject(BoardFrontendService)
+    protected readonly boardFrontendService: BoardFrontendService;
+
     constructor(
         @inject(AWorkspaceService) protected readonly workspaceService: AWorkspaceService,
         @inject(MenuModelRegistry) protected readonly menuRegistry: MenuModelRegistry) {
@@ -41,7 +45,7 @@ export class ArduinoToolbarMenuContribution implements MenuContribution {
     }
 
     protected async registerConnectedBoardsInMenu(registry: MenuModelRegistry) {
-        const { boards } = await this.boardsService.getAttachedBoards();
+        const boards = await this.boardFrontendService.getAttachedBoards();
         const selectedBoard = await this.boardsService.getSelectBoard();
         const selectedPort = selectedBoard ? this.getPort(selectedBoard) : '';
         boards.forEach(board => {
diff --git a/arduino-ide-extension/src/browser/arduino-frontend-contribution.tsx b/arduino-ide-extension/src/browser/arduino-frontend-contribution.tsx
index 0d228020..0dd0f38e 100644
--- a/arduino-ide-extension/src/browser/arduino-frontend-contribution.tsx
+++ b/arduino-ide-extension/src/browser/arduino-frontend-contribution.tsx
@@ -29,6 +29,7 @@ import { WindowService } from '@theia/core/lib/browser/window/window-service';
 import { CommonCommands } from '@theia/core/lib/browser/common-frontend-contribution'
 import { BoardsToolBarItem } from './boards/boards-toolbar-item';
 import { SelectBoardsDialog } from './boards/select-board-dialog';
+import { BoardFrontendService } from './boards/board-frontend-service';
 
 @injectable()
 export class ArduinoFrontendContribution implements TabBarToolbarContribution, CommandContribution {
@@ -39,6 +40,9 @@ export class ArduinoFrontendContribution implements TabBarToolbarContribution, C
     @inject(BoardsService)
     protected readonly boardService: BoardsService;
 
+    @inject(BoardFrontendService)
+    protected readonly boardFrontendService: BoardFrontendService;
+
     @inject(CoreService)
     protected readonly coreService: CoreService;
 
@@ -129,6 +133,7 @@ export class ArduinoFrontendContribution implements TabBarToolbarContribution, C
                 ref={ref => this.boardsToolbarItem = ref}
                 contextMenuRenderer={this.contextMenuRenderer}
                 boardsNotificationService={this.boardsNotificationService}
+                boardFrontendService={this.boardFrontendService}
                 boardService={this.boardService} />,
             isVisible: widget => this.isArduinoToolbar(widget)
         })
@@ -248,9 +253,9 @@ export class ArduinoFrontendContribution implements TabBarToolbarContribution, C
     }
 
     protected async selectBoard(board: Board) {
-        const attached = await this.boardService.getAttachedBoards();
-        if(attached.boards.length) {
-            board = attached.boards.find(b => b.name === board.name && b.fqbn === board.fqbn) || board;
+        const boards = await this.boardFrontendService.getAttachedBoards();
+        if (boards.length) {
+            board = boards.find(b => b.name === board.name && b.fqbn === board.fqbn) || board;
         }
         await this.boardService.selectBoard(board)
         if (this.boardsToolbarItem) {
diff --git a/arduino-ide-extension/src/browser/arduino-frontend-module.ts b/arduino-ide-extension/src/browser/arduino-frontend-module.ts
index 7cec9282..dc7317d8 100644
--- a/arduino-ide-extension/src/browser/arduino-frontend-module.ts
+++ b/arduino-ide-extension/src/browser/arduino-frontend-module.ts
@@ -50,6 +50,7 @@ import { EditorWidgetFactory } from '@theia/editor/lib/browser/editor-widget-fac
 import { CustomEditorWidgetFactory } from './customization/custom-editor-widget-factory';
 import { SelectBoardsDialog, SelectBoardsDialogProps } from './boards/select-board-dialog';
 import { SelectBoardDialogWidget } from './boards/select-board-dialog-widget';
+import { BoardFrontendService } from './boards/board-frontend-service';
 
 export default new ContainerModule((bind: interfaces.Bind, unbind: interfaces.Unbind, isBound: interfaces.IsBound, rebind: interfaces.Rebind) => {
     // Commands and toolbar items
@@ -86,6 +87,7 @@ export default new ContainerModule((bind: interfaces.Bind, unbind: interfaces.Un
 
     // Boards service
     bind(BoardsService).toDynamicValue(context => WebSocketConnectionProvider.createProxy(context.container, BoardsServicePath)).inSingletonScope();
+    bind(BoardFrontendService).toSelf().inSingletonScope();
 
     // Boards list widget
     bind(BoardsListWidget).toSelf();
diff --git a/arduino-ide-extension/src/browser/boards/board-frontend-service.ts b/arduino-ide-extension/src/browser/boards/board-frontend-service.ts
new file mode 100644
index 00000000..edacf39c
--- /dev/null
+++ b/arduino-ide-extension/src/browser/boards/board-frontend-service.ts
@@ -0,0 +1,22 @@
+import { injectable, inject } from "inversify";
+import { BoardsService, Board } from "../../common/protocol/boards-service";
+
+@injectable()
+export class BoardFrontendService {
+    @inject(BoardsService) protected readonly boardService: BoardsService;
+
+    protected attachedBoards: Board[];
+
+    async getAttachedBoards(): Promise<Board[]> {
+        if (this.attachedBoards) {
+            return this.attachedBoards;
+        }
+        await this.refreshAttachedBoards();
+        return this.attachedBoards;
+    }
+
+    async refreshAttachedBoards(): Promise<void> {
+        const { boards } = await this.boardService.getAttachedBoards();
+        this.attachedBoards = boards;
+    }
+}
\ No newline at end of file
diff --git a/arduino-ide-extension/src/browser/boards/boards-toolbar-item.tsx b/arduino-ide-extension/src/browser/boards/boards-toolbar-item.tsx
index 859410d0..01c8e9eb 100644
--- a/arduino-ide-extension/src/browser/boards/boards-toolbar-item.tsx
+++ b/arduino-ide-extension/src/browser/boards/boards-toolbar-item.tsx
@@ -3,12 +3,14 @@ import { BoardsService, Board } from '../../common/protocol/boards-service';
 import { ContextMenuRenderer } from '@theia/core/lib/browser';
 import { ArduinoToolbarContextMenu } from '../arduino-file-menu';
 import { BoardsNotificationService } from '../boards-notification-service';
+import { BoardFrontendService } from './board-frontend-service';
 
 export namespace BoardsToolBarItem {
     export interface Props {
         readonly contextMenuRenderer: ContextMenuRenderer;
         readonly boardsNotificationService: BoardsNotificationService;
         readonly boardService: BoardsService;
+        readonly boardFrontendService: BoardFrontendService;
     }
 
     export interface State {
@@ -35,9 +37,9 @@ export class BoardsToolBarItem extends React.Component<BoardsToolBarItem.Props,
     }
 
     protected async setAttachedBoards() {
-        const { boards } = await this.props.boardService.getAttachedBoards();
+        const boards = await this.props.boardFrontendService.getAttachedBoards();
         this.attachedBoards = boards;
-        if(this.attachedBoards.length){
+        if (this.attachedBoards.length) {
             await this.props.boardService.selectBoard(this.attachedBoards[0]);
             this.setSelectedBoard(this.attachedBoards[0]);
         }
diff --git a/arduino-ide-extension/src/browser/boards/select-board-dialog-widget.tsx b/arduino-ide-extension/src/browser/boards/select-board-dialog-widget.tsx
index ab400243..eead64e6 100644
--- a/arduino-ide-extension/src/browser/boards/select-board-dialog-widget.tsx
+++ b/arduino-ide-extension/src/browser/boards/select-board-dialog-widget.tsx
@@ -4,6 +4,7 @@ import { injectable, inject } from 'inversify';
 import { BoardsService, Board, BoardPackage, AttachedSerialBoard } from '../../common/protocol/boards-service';
 import { BoardsNotificationService } from '../boards-notification-service';
 import { Emitter, Event } from '@theia/core';
+import { BoardFrontendService } from './board-frontend-service';
 
 export interface BoardAndPortSelection {
     board?: Board;
@@ -93,6 +94,7 @@ export class BoardAndPortSelectionList extends React.Component<BoardAndPortSelec
 export namespace BoardAndPortSelectionComponent {
     export interface Props {
         boardsService: BoardsService;
+        boardFrontendService: BoardFrontendService;
         onSelect: (selection: BoardAndPortSelection) => void;
     }
 
@@ -131,7 +133,7 @@ export class BoardAndPortSelectionComponent extends React.Component<BoardAndPort
         if (this.portListComponent) {
             this.portListComponent.reset();
         }
-        this.setState({selection: {}});
+        this.setState({ selection: {} });
     }
 
     render(): React.ReactNode {
@@ -207,8 +209,8 @@ export class BoardAndPortSelectionComponent extends React.Component<BoardAndPort
 
     protected async setPorts() {
         const ports: string[] = [];
-        const attached = await this.props.boardsService.getAttachedBoards();
-        attached.boards.forEach(board => {
+        const boards = await this.props.boardFrontendService.getAttachedBoards();
+        boards.forEach(board => {
             if (AttachedSerialBoard.is(board)) {
                 ports.push(board.port);
             }
@@ -222,6 +224,8 @@ export class SelectBoardDialogWidget extends ReactWidget {
 
     @inject(BoardsService)
     protected readonly boardsService: BoardsService;
+    @inject(BoardFrontendService)
+    protected readonly boardFrontendService: BoardFrontendService;
     @inject(BoardsNotificationService)
     protected readonly boardsNotificationService: BoardsNotificationService;
 
@@ -279,7 +283,11 @@ export class SelectBoardDialogWidget extends ReactWidget {
                         <p>but not to upload your sketch.</p>
                     </div>
                 </div>
-                <BoardAndPortSelectionComponent ref={ref => this.boardAndPortSelectionComponent = ref} boardsService={boardsService} onSelect={this.onSelect} />
+                <BoardAndPortSelectionComponent
+                    ref={ref => this.boardAndPortSelectionComponent = ref}
+                    boardFrontendService={this.boardFrontendService}
+                    boardsService={boardsService}
+                    onSelect={this.onSelect} />
             </div>
         </React.Fragment>