diff --git a/tests/throtl/002 b/tests/throtl/002
index 08e685f3..275c9001 100755
--- a/tests/throtl/002
+++ b/tests/throtl/002
@@ -21,7 +21,7 @@ test() {
 	local io_size_kb block_size
 	local iops=256
 
-	page_size=$(getconf PAGE_SIZE)
+	page_size=$(_get_page_size)
 
 	if ! _set_up_throtl --sector_size "${page_size}"; then
 		return 1;
diff --git a/tests/throtl/003 b/tests/throtl/003
index 700e9e6a..b45123a1 100755
--- a/tests/throtl/003
+++ b/tests/throtl/003
@@ -18,7 +18,7 @@ test() {
 	echo "Running ${TEST_NAME}"
 
 	local page_size
-	page_size=$(getconf PAGE_SIZE)
+	page_size=$(_get_page_size)
 
 	if ! _set_up_throtl --sector_size "${page_size}"; then
 		return 1;
diff --git a/tests/throtl/007 b/tests/throtl/007
index 97dece6c..4292feba 100755
--- a/tests/throtl/007
+++ b/tests/throtl/007
@@ -19,7 +19,7 @@ test() {
 	echo "Running ${TEST_NAME}"
 
 	local page_size
-	page_size=$(getconf PAGE_SIZE)
+	page_size=$(_get_page_size)
 
 	if ! _set_up_throtl --sector_size "${page_size}"; then
 		return 1;
diff --git a/tests/zbd/014 b/tests/zbd/014
index 35ecc851..2733a60d 100755
--- a/tests/zbd/014
+++ b/tests/zbd/014
@@ -112,7 +112,7 @@ run_test() {
 	local bio_max_vecs=256
 
 	local page_size
-	page_size=$(getconf PAGE_SIZE)
+	page_size=$(_get_page_size)
 
 	# In bytes.
 	local max_inl_encr_bio_size=$((bio_max_vecs * page_size))