diff --git a/tests/testthat/test-errorProfiles.R b/tests/testthat/test-errorProfiles.R
index 252ad329..32bb2b57 100644
--- a/tests/testthat/test-errorProfiles.R
+++ b/tests/testthat/test-errorProfiles.R
@@ -1,6 +1,7 @@
 
 test_that("errorProfiles works in default settings", {
   skip_on_cran()
+  skip_on_os("mac", arch = "aarch64")
   data(splotdata)
   splotdata <- sf::st_drop_geometry(splotdata)
   predictors <- terra::rast(system.file("extdata","predictors_chile.tif", package="CAST"))
@@ -31,6 +32,7 @@ test_that("errorProfiles works in default settings", {
 
 test_that("errorProfiles works in with LPD", {
   skip_on_cran()
+  skip_on_os("mac", arch = "aarch64")
   data(splotdata)
   splotdata <- sf::st_drop_geometry(splotdata)
   predictors <- terra::rast(system.file("extdata","predictors_chile.tif", package="CAST"))
@@ -59,6 +61,7 @@ test_that("errorProfiles works in with LPD", {
 
 test_that("errorProfiles works for multiCV", {
   skip_on_cran()
+  skip_on_os("mac", arch = "aarch64")
   data(splotdata)
   splotdata <- sf::st_drop_geometry(splotdata)
   predictors <- terra::rast(system.file("extdata","predictors_chile.tif", package="CAST"))
diff --git a/tests/testthat/test-fss.R b/tests/testthat/test-fss.R
index 1884f848..2ca6c1c7 100644
--- a/tests/testthat/test-fss.R
+++ b/tests/testthat/test-fss.R
@@ -1,5 +1,6 @@
 
 test_that("ffs works with default arguments and the splotopen dataset (numerical only)",{
+  skip_on_os("mac", arch = "aarch64")
   data("splotdata")
   splotdata = splotdata |> sf::st_drop_geometry()
   set.seed(1)
@@ -22,6 +23,7 @@ test_that("ffs works with default arguments and the splotopen dataset (numerical
 
 test_that("ffs works with default arguments and the splotopen dataset (include categorial)",{
   skip_on_cran()
+  skip_on_os("mac", arch = "aarch64")
   data("splotdata")
   splotdata = splotdata |> sf::st_drop_geometry()
   set.seed(1)
@@ -40,6 +42,7 @@ test_that("ffs works with default arguments and the splotopen dataset (include c
 
 test_that("ffs works for classification with default arguments",{
   skip_on_cran()
+  skip_on_os("mac", arch = "aarch64")
   data("splotdata")
   splotdata = splotdata |> sf::st_drop_geometry()
   splotdata$Biome = droplevels(splotdata$Biome)
@@ -61,6 +64,7 @@ test_that("ffs works for classification with default arguments",{
 
 test_that("ffs works for withinSE = TRUE",{
   skip_on_cran()
+  skip_on_os("mac", arch = "aarch64")
   data("splotdata")
   splotdata = splotdata |> sf::st_drop_geometry()
   splotdata$Biome = droplevels(splotdata$Biome)