diff --git a/lib/discourse.rb b/lib/discourse.rb
index 96946422511..2f910cf081a 100644
--- a/lib/discourse.rb
+++ b/lib/discourse.rb
@@ -943,7 +943,7 @@ module Discourse
       # Skip warmup in development mode - it makes boot take ~2s longer
       PrettyText.cook("warm up **pretty text**") if !Rails.env.development?
     rescue => e
-      Rails.logger.error("Failed to warm up pretty text: #{e}")
+      Rails.logger.error("Failed to warm up pretty text: #{e}\n#{e.backtrace.join("\n")}")
     end
 
     nil