diff --git a/packages/cli/src/acp/fileSystemService.ts b/packages/cli/src/acp/fileSystemService.ts
index 1d3c8ad0b8..02b9d68195 100644
--- a/packages/cli/src/acp/fileSystemService.ts
+++ b/packages/cli/src/acp/fileSystemService.ts
@@ -14,7 +14,7 @@ export class AcpFileSystemService implements FileSystemService {
   constructor(
     private readonly connection: acp.AgentSideConnection,
     private readonly sessionId: string,
-    private readonly capabilities: acp.FileSystemCapability,
+    private readonly capabilities: acp.FileSystemCapabilities,
     private readonly fallback: FileSystemService,
   ) {}