diff --git a/tests/zfs-tests/tests/functional/cp_files/cleanup.ksh b/tests/zfs-tests/tests/functional/cp_files/cleanup.ksh
index 42fe70042..c0bccab12 100755
--- a/tests/zfs-tests/tests/functional/cp_files/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cp_files/cleanup.ksh
@@ -32,3 +32,7 @@
 . $STF_SUITE/include/libtest.shlib
 
 default_cleanup
+
+if tunable_exists BCLONE_ENABLED ; then
+	log_must restore_tunable BCLONE_ENABLED
+fi
diff --git a/tests/zfs-tests/tests/functional/cp_files/setup.ksh b/tests/zfs-tests/tests/functional/cp_files/setup.ksh
index b756d4e76..4223386b3 100755
--- a/tests/zfs-tests/tests/functional/cp_files/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cp_files/setup.ksh
@@ -32,4 +32,10 @@
 . $STF_SUITE/include/libtest.shlib
 
 DISK=${DISKS%% *}
+
+if tunable_exists BCLONE_ENABLED ; then
+	log_must save_tunable BCLONE_ENABLED
+	log_must set_tunable32 BCLONE_ENABLED 1
+fi
+
 default_setup $DISK