diff --git a/webapp/packages/core-app/src/shared/NodesManager/ConnectionDialogsService.ts b/webapp/packages/core-app/src/shared/NodesManager/ConnectionDialogsService.ts
index 518be18daf..006bf32a81 100644
--- a/webapp/packages/core-app/src/shared/NodesManager/ConnectionDialogsService.ts
+++ b/webapp/packages/core-app/src/shared/NodesManager/ConnectionDialogsService.ts
@@ -46,6 +46,7 @@ export class ConnectionDialogsService {
         order: 2,
         title: 'app_shared_connectionMenu_disconnect',
         onClick: () => this.connectionsManagerService.closeAllConnections(),
+        isDisabled: () => !this.connectionsManagerService.hasAnyConnection(true),
       }
     );
 
diff --git a/webapp/packages/core-connections/src/ConnectionsManagerService.ts b/webapp/packages/core-connections/src/ConnectionsManagerService.ts
index aa3b499bb9..48184d2187 100644
--- a/webapp/packages/core-connections/src/ConnectionsManagerService.ts
+++ b/webapp/packages/core-connections/src/ConnectionsManagerService.ts
@@ -83,7 +83,10 @@ export class ConnectionsManagerService {
     await this.afterConnectionClose(id);
   }
 
-  hasAnyConnection(): boolean {
+  hasAnyConnection(connected?: boolean): boolean {
+    if (connected) {
+      return Array.from(this.connectionInfo.data.values()).some(connection => connection.connected);
+    }
     return !!Array.from(this.connectionInfo.data.values()).length;
   }