diff --git a/scripts/install b/scripts/install
index 91ffa96..4fedcd5 100644
--- a/scripts/install
+++ b/scripts/install
@@ -160,10 +160,14 @@ chown -R $app:www-data "$datadir"
 #=================================================
 ynh_script_progression --message="Building Yarn dependencies..."
 
+touch "$final_path/.yarnrc.yml"
+chmod 400 "$final_path/.yarnrc.yml"
+chown $app:$app "$final_path/.yarnrc.yml"
+
 pushd "$final_path"
 	ynh_use_nodejs
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn install --production --pure-lockfile
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn cache clean
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH HOME="$final_path" yarn install --production --pure-lockfile
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH HOME="$final_path" yarn cache clean
 popd
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 5f058f4..a26d7b3 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -235,10 +235,14 @@ chown -R $app:www-data "$datadir"
 #=================================================
 ynh_script_progression --message="Building Yarn dependencies..."
 
+touch "$final_path/.yarnrc.yml"
+chmod 400 "$final_path/.yarnrc.yml"
+chown $app:$app "$final_path/.yarnrc.yml"
+
 pushd "$final_path"
 	ynh_use_nodejs
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn install --production --pure-lockfile
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn cache clean
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH HOME="$final_path" yarn install --production --pure-lockfile
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH HOME="$final_path" yarn cache clean
 popd
 
 #=================================================