diff --git a/scripts/install b/scripts/install
index bdca3e5..dd2bca4 100755
--- a/scripts/install
+++ b/scripts/install
@@ -13,7 +13,7 @@ then
 	app=$YNH_APP_INSTANCE_NAME
 
 	# Source app helpers
-	. /usr/share/yunohost/helpers
+	source /usr/share/yunohost/helpers
 else
 	domain=$1
 	path=$2
diff --git a/scripts/remove b/scripts/remove
index 1437816..1555fad 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -6,7 +6,7 @@ if [ $ynh_version = "2.4" ]; then
 	app=$YNH_APP_INSTANCE_NAME
 
 	# Source app helpers
-	. /usr/share/yunohost/helpers
+	source /usr/share/yunohost/helpers
 else
 	app=radicale
 fi