diff --git a/src/vs/workbench/api/common/extHostFileSystemEventService.ts b/src/vs/workbench/api/common/extHostFileSystemEventService.ts
index ed5e1cd908a..3a8829425de 100644
--- a/src/vs/workbench/api/common/extHostFileSystemEventService.ts
+++ b/src/vs/workbench/api/common/extHostFileSystemEventService.ts
@@ -178,6 +178,7 @@ export class ExtHostFileSystemEventService implements ExtHostFileSystemEventServ
 				this._onDidDeleteFile.fire(Object.freeze({ files: files.map(f => URI.revive(f.target)) }));
 				break;
 			case FileOperation.CREATE:
+			case FileOperation.COPY:
 				this._onDidCreateFile.fire(Object.freeze({ files: files.map(f => URI.revive(f.target)) }));
 				break;
 			default:
@@ -213,6 +214,7 @@ export class ExtHostFileSystemEventService implements ExtHostFileSystemEventServ
 			case FileOperation.DELETE:
 				return await this._fireWillEvent(this._onWillDeleteFile, { files: files.map(f => URI.revive(f.target)) }, timeout, token);
 			case FileOperation.CREATE:
+			case FileOperation.COPY:
 				return await this._fireWillEvent(this._onWillCreateFile, { files: files.map(f => URI.revive(f.target)) }, timeout, token);
 		}
 		return undefined;