diff --git a/tests/testthat/helper-render_formats.R b/tests/testthat/helper-render_formats.R
index 800e7d0c27..1bb0bf0c3e 100644
--- a/tests/testthat/helper-render_formats.R
+++ b/tests/testthat/helper-render_formats.R
@@ -2,7 +2,7 @@
 # FIXME works with warning on Windows
 render_formats_test <- function(data,
                                 context) {
-  if (identical(.Platform$OS.type, "windows")) {
+  if (.Platform$OS.type == "windows") {
     # file not-existing related warnings
     # only delete on Windows
     suppressWarnings(build_data(data, context = context)$`_body`)