diff --git a/daemon/graphdriver/copy/copy.go b/daemon/graphdriver/copy/copy.go
index 1d2ee60b99..388bfe73d4 100644
--- a/daemon/graphdriver/copy/copy.go
+++ b/daemon/graphdriver/copy/copy.go
@@ -159,6 +159,7 @@ func DirCopy(srcDir, dstDir string, copyMode Mode, copyOpaqueXattrs bool) error
 					return err2
 				}
 			} else if hardLinkDstPath, ok := copiedFiles[id]; ok {
+				isHardlink = true
 				if err2 := os.Link(hardLinkDstPath, dstPath); err2 != nil {
 					return err2
 				}