diff --git a/tests/testthat/_snaps/csv.md b/tests/testthat/_snaps/csv.md
index 6bf215bb7..84c909389 100644
--- a/tests/testthat/_snaps/csv.md
+++ b/tests/testthat/_snaps/csv.md
@@ -423,11 +423,10 @@
       cat(readLines(path), sep = "\n")
     Output
       date
-      22h00m00s
-      22h15m00s
-      22h30m00s
-      22h45m00s
-      23h00m00s
+      00h00m00s
+      08h00m00s
+      16h00m00s
+      00h00m00s
 
 # write_csv: float_precision works
 
diff --git a/tests/testthat/test-csv.R b/tests/testthat/test-csv.R
index 5b3fab7c2..3a6acb375 100644
--- a/tests/testthat/test-csv.R
+++ b/tests/testthat/test-csv.R
@@ -131,9 +131,9 @@ test_that("write_csv: datetime_format works", {
 test_that("write_csv: time_format works", {
   dat <- pl$DataFrame(
     date = pl$date_range(
-      strptime("00:00:00", format = "%H:%M:%S"),
-      strptime("01:00:00", format = "%H:%M:%S"),
-      interval = "15m",
+      as.Date("2020-10-17"),
+      as.Date("2020-10-18"),
+      "8h",
       eager = TRUE
     )
   )$with_columns(pl$col("date")$dt$time())