diff --git a/scripts/install b/scripts/install
index c021ea3..388008d 100644
--- a/scripts/install
+++ b/scripts/install
@@ -126,6 +126,10 @@ ynh_add_config --template="../conf/config.production.json" --destination="$final
 chmod 400 "$final_path/ghost/core/config.production.json"
 chown $app:$app "$final_path/ghost/core/config.production.json"
 
+touch "$final_path/.yarnrc.yml"
+chmod 400 "$final_path/.yarnrc.yml"
+chown $app:$app "$final_path/.yarnrc.yml"
+
 #==============================================
 # BUILD GHOST
 #==============================================
@@ -134,9 +138,9 @@ ynh_script_progression --message="Building Ghost... (this will take some time an
 pushd "$final_path"
 	ynh_use_nodejs
 	# Longer network timeouts for slow systems; see https://github.com/yarnpkg/yarn/issues/8242
-	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH yarn config set network-timeout 600000
-	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH yarn add knex-migrator ember-cli --dev --ignore-workspace-root-check --non-interactive
-	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH yarn setup # catch-all command provided by Ghost that handles all the setup
+	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH HOME="$final_path" yarn config set network-timeout 600000
+	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH HOME="$final_path" yarn add knex-migrator ember-cli --dev --ignore-workspace-root-check --non-interactive
+	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH HOME="$final_path" yarn setup # catch-all command provided by Ghost that handles all the setup
 popd
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index f47d571..d3a2b7c 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -167,6 +167,10 @@ ynh_add_config --template="../conf/config.production.json" --destination="$final
 chmod 400 "$final_path/ghost/core/config.production.json"
 chown $app:$app "$final_path/ghost/core/config.production.json"
 
+touch "$final_path/.yarnrc.yml"
+chmod 400 "$final_path/.yarnrc.yml"
+chown $app:$app "$final_path/.yarnrc.yml"
+
 #==============================================
 # BUILD GHOST
 #==============================================
@@ -177,10 +181,10 @@ then
 
 	pushd "$final_path"
 		# Longer network timeouts for slow systems; see https://github.com/yarnpkg/yarn/issues/8242
-		ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH yarn config set network-timeout 600000
-		ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH yarn install --non-interactive
-		ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH yarn add knex-migrator ember-cli --dev --ignore-workspace-root-check --non-interactive
-		ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH yarn setup
+		ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH HOME="$final_path" yarn config set network-timeout 600000
+		ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH HOME="$final_path" yarn install --non-interactive
+		ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH HOME="$final_path" yarn add knex-migrator ember-cli --dev --ignore-workspace-root-check --non-interactive
+		ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH HOME="$final_path" yarn setup
 	popd
 fi