diff --git a/tests/testthat/test_create_DataFile.R b/tests/testthat/test_create_DataFile.R
index d9ee325..dc1a279 100644
--- a/tests/testthat/test_create_DataFile.R
+++ b/tests/testthat/test_create_DataFile.R
@@ -10,8 +10,8 @@ test_that("Full function test", {
   config_file <- yaml::read_yaml(yaml_file)
 
   ## BIN/BINX files
-  samp1_file <- system.file("extdata/samp1/bin.BIN", package = "BayLum")
-  samp2_file <- system.file("extdata/samp2/bin.BIN", package = "BayLum")
+  samp1_file <- system.file("extdata/samp1/bin.bin", package = "BayLum")
+  samp2_file <- system.file("extdata/samp2/bin.bin", package = "BayLum")
 
   ## import BIN files
   samp1 <<- Luminescence::read_BIN2R(samp1_file, verbose = FALSE) |>