diff --git a/index-scheduler/src/error.rs b/index-scheduler/src/error.rs
index c31e3e97f..8c3804a05 100644
--- a/index-scheduler/src/error.rs
+++ b/index-scheduler/src/error.rs
@@ -69,8 +69,8 @@ impl ErrorCode for Error {
             Error::IndexNotFound(_) => Code::IndexNotFound,
             Error::IndexesNotFound(_) => Code::IndexNotFound,
             Error::IndexAlreadyExists(_) => Code::IndexAlreadyExists,
-            Error::SwapDuplicateIndexesFound(_) => Code::BadRequest,
-            Error::SwapDuplicateIndexFound(_) => Code::BadRequest,
+            Error::SwapDuplicateIndexesFound(_) => Code::DuplicateIndexFound,
+            Error::SwapDuplicateIndexFound(_) => Code::DuplicateIndexFound,
             Error::TaskNotFound(_) => Code::TaskNotFound,
             Error::TaskDeletionWithEmptyQuery => Code::TaskDeletionWithEmptyQuery,
             Error::TaskCancelationWithEmptyQuery => Code::TaskCancelationWithEmptyQuery,