diff --git a/pkg/errs/system.go b/pkg/errs/system.go
index 1fa3bc6d..39f6729a 100644
--- a/pkg/errs/system.go
+++ b/pkg/errs/system.go
@@ -8,6 +8,6 @@ var (
 	ErrApiNotFound      = NewSystemError(SystemSubcategoryDefault, 1, http.StatusNotFound, "api not found")
 	ErrMethodNotAllowed = NewSystemError(SystemSubcategoryDefault, 2, http.StatusMethodNotAllowed, "method not allowed")
 	ErrNotImplemented   = NewSystemError(SystemSubcategoryDefault, 3, http.StatusNotImplemented, "not implemented")
-	ErrSystemIsBusy     = NewSystemError(SystemSubcategoryDefault, 4, http.StatusNotImplemented, "system is busy")
+	ErrSystemIsBusy     = NewSystemError(SystemSubcategoryDefault, 4, http.StatusServiceUnavailable, "system is busy")
 	ErrNotSupported     = NewSystemError(SystemSubcategoryDefault, 5, http.StatusBadRequest, "not supported")
 )