diff --git a/R/expect-wrapper.R b/R/expect-wrapper.R
index 58080c525..2ac4cace4 100644
--- a/R/expect-wrapper.R
+++ b/R/expect-wrapper.R
@@ -107,6 +107,9 @@ expect_wrapper <- function(
     return(invisible())
   }
 
+  # set artificial datetimeCreate date to avoid crashes due to the second
+  wb$datetimeCreated <- "2000-01-01 00:00:00 CEST"
+
   if (!is.null(params)) {
     # create now so that it's the same every time
     wb_fun <- wb$clone(deep = TRUE)
diff --git a/tests/testthat/test-class-workbook-wrappers.R b/tests/testthat/test-class-workbook-wrappers.R
index d067c5794..fa2d42ea9 100644
--- a/tests/testthat/test-class-workbook-wrappers.R
+++ b/tests/testthat/test-class-workbook-wrappers.R
@@ -133,7 +133,7 @@ test_that("wb_set_creators() is a wrapper", {
 
 test_that("wb_remove_creators() is a wrapper", {
   wb <- wb_workbook(creator = "myself")
-  expect_wrapper("remove_creators", params = list(creators = "myself"))
+  expect_wrapper("remove_creators", wb = wb, params = list(creators = "myself"))
 })
 
 # wb_page_setup() -------------------------------------------------------------