diff --git a/scripts/experimental_helper.sh b/scripts/experimental_helper.sh
index 1d3db9b..b014e20 100644
--- a/scripts/experimental_helper.sh
+++ b/scripts/experimental_helper.sh
@@ -61,6 +61,12 @@ ynh_add_swap () {
 	# If there's enough space for a swap, and no existing swap here
 	if [ $swap_size -ne 0 ] && [ ! -e /swap_$app ]
 	then
+		# Create file
+		truncate -s 0 /swap_$app
+
+		# set the No_COW attribute on the swapfile with chattr
+		chattr +C /swap_$app || true
+
 		# Preallocate space for the swap file, fallocate may sometime not be used, use dd instead in this case
 		if ! fallocate -l ${swap_size}K /swap_$app
 		then
@@ -70,7 +76,7 @@ ynh_add_swap () {
 		# Create the swap
 		mkswap /swap_$app
 		# And activate it
-		swapon /swap_$app
+		swapon /swap_$app || true
 		# Then add an entry in fstab to load this swap at each boot.
 		echo -e "/swap_$app swap swap defaults 0 0 #Swap added by $app" >> /etc/fstab
 	fi
@@ -104,4 +110,3 @@ ynh_is_main_device_a_sd_card () {
 		return 1
 	fi
 }
-