diff --git a/server.py b/server.py
index 81a46cf..971b770 100644
--- a/server.py
+++ b/server.py
@@ -120,7 +120,7 @@ def relay():
         if title == "Something went wrong...":
             title = "gemini://" + url
     except:
-        code += traceback.format_exc()
+        code += "<pre>" + traceback.format_exc() + "</pre>"
     return f'<!DOCTYPE html>\n<html><head><meta charset="UTF-8"><link rel="stylesheet" href="/style.css"><title>{title}</title></head><body>{code}</body></html>'
 
 # Run the Hypercorn ASGI server
