diff --git a/tests/testthat/test-evap.R b/tests/testthat/test-evap.R
index fc126c9de8a7e722962b3d059dc2a533880cbfff..bdf813dfbec218f54bd1d132c1539c97fe2449de 100644
--- a/tests/testthat/test-evap.R
+++ b/tests/testthat/test-evap.R
@@ -86,9 +86,8 @@ test_that("Inconsitent time series", {
 
   # not ordered hourly dates
   DatesFor3Messy <- sample(BasinObs_L0123003$DatesR)
-  DatesFor3Messy <- DatesFor3Messy[-5L]
   expect_error(object = PE_Oudin(JD = as.POSIXlt(DatesFor3Messy)$yday + 1,
-                                   Temp = seq_along(BasinObs_L0123003$T)[-5L],
+                                   Temp = seq_along(BasinObs_L0123003$T),
                                    Lat = 0.8, LatUnit = "rad", TimeStepIn = "hourly"),
                  regexp = msgHoury, fixed = TRUE)