diff --git a/proto/extensions/manager_service.proto b/proto/extensions/manager_service.proto
index 666f8d14d6e0ade7abe4d785d94fc981ee05ff00..a85bde685fc633051564d36dcace24088a683e1f 100644
--- a/proto/extensions/manager_service.proto
+++ b/proto/extensions/manager_service.proto
@@ -123,10 +123,11 @@ message ListExtensionsResponse {
 // space_extensions (Пространство/Расширения)
 
 enum State {
-  PENDING = 0;
+  UNKNOWN = 0;
   INSTALLED = 1;
   IN_PROGRESS = 2;
   FAIL = 3;
+  PENDING = 4;
 }
 
 message SpaceExtensions {