diff --git a/pkg/common/db/s3/cont/controller.go b/pkg/common/db/s3/cont/controller.go
index 2d9d7d32d..2db1b800f 100644
--- a/pkg/common/db/s3/cont/controller.go
+++ b/pkg/common/db/s3/cont/controller.go
@@ -144,7 +144,7 @@ func (c *Controller) InitiateUpload(ctx context.Context, hash string, size int64
 		}
 		var authSign *s3.AuthSignResult
 		if maxParts > 0 {
-			partNumbers := make([]int, partNumber)
+			partNumbers := make([]int, maxParts)
 			for i := 0; i < maxParts; i++ {
 				partNumbers[i] = i + 1
 			}