diff --git a/scripts/install b/scripts/install
index 1079621..8e2b2e0 100755
--- a/scripts/install
+++ b/scripts/install
@@ -94,7 +94,6 @@ ynh_script_progression --message="Setting up source files..." --weight=1
 
 ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 # Download, check integrity, uncompress and patch the source from app.src
-#ynh_setup_source --dest_dir=$final_path
 mkdir -p $final_path
 
 #=================================================
@@ -105,7 +104,7 @@ ynh_script_progression --message="Installing $app..." --weight=2
 pushd $final_path
  	ynh_use_nodejs
  	#ynh_exec_as $app
- 	env $ynh_node_load_PATH npm install n8n@$n8n_version -g
+ 	env $ynh_node_load_PATH npm install n8n@${n8n_version} -g
 popd
 
 chmod 750 "$final_path"
diff --git a/scripts/upgrade b/scripts/upgrade
index b210d57..33dcfd1 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -70,7 +70,7 @@ then
 	# Download, check integrity, uncompress and patch the source from app.src
 	pushd $final_path
  		ynh_use_nodejs
- 		ynh_exec_as $app env $ynh_node_load_PATH npm install n8n@$n8n_version
+ 		ynh_exec_as $app env $ynh_node_load_PATH npm install n8n@${n8n_version}
 	popd
 fi