diff --git a/templates/postgresql.conf.erb b/templates/postgresql.conf.erb
index d1aa7af..f0a391d 100644
--- a/templates/postgresql.conf.erb
+++ b/templates/postgresql.conf.erb
@@ -706,7 +706,7 @@ default_text_search_config = 'pg_catalog.english'
 
 # - Shared Library Preloading -
 <% if @pl_manage_extensions == true -%>
-shared_preload_libraries = <%= @pl_reqpackages_extensions %>	# (change requires restart)
+shared_preload_libraries = '<%= @pl_reqpackages_extensions %>'
 <% end -%>
 <% if @pl_manage_extensions != true -%>
 # shared_preload_libraries = ''