diff --git a/keywords.go b/keywords.go
index 8e199ce..f629519 100644
--- a/keywords.go
+++ b/keywords.go
@@ -206,7 +206,7 @@ var (
 	}
 	linkKeywordFunc = func(path string, info os.FileInfo, r io.Reader) (string, error) {
 		if sys, ok := info.Sys().(*tar.Header); ok {
-			return sys.Linkname, nil
+			return fmt.Sprintf("link=%s", sys.Linkname), nil
 		}
 
 		if info.Mode()&os.ModeSymlink != 0 {