diff --git a/internal/lsp/cache/token.go b/internal/lsp/cache/token.go
index 6cd0d8e5c3..0b2b697676 100644
--- a/internal/lsp/cache/token.go
+++ b/internal/lsp/cache/token.go
@@ -84,5 +84,6 @@ func tokenFile(ctx context.Context, c *cache, fh source.FileHandle) (*token.File
 	if tok == nil {
 		return nil, fmt.Errorf("no token.File for %s", fh.Identity().URI)
 	}
+	tok.SetLinesForContent(buf)
 	return tok, nil
 }