diff --git a/projects/ucap-webmessenger-app/src/environments/environment.type.ts b/projects/ucap-webmessenger-app/src/environments/environment.type.ts
index c9dd3d63..442c59cc 100644
--- a/projects/ucap-webmessenger-app/src/environments/environment.type.ts
+++ b/projects/ucap-webmessenger-app/src/environments/environment.type.ts
@@ -272,6 +272,7 @@ export const commonApiAcceptableFileExtensionsForVideo: string[] = [
 ];
 export const commonApiAcceptableFileExtensionsForFolder: string[] = [
   'zdr',
+  'lab',
   'dat'
 ];