diff --git a/tests/ci/report.py b/tests/ci/report.py
index 77043dfc8be..48e24f9c870 100644
--- a/tests/ci/report.py
+++ b/tests/ci/report.py
@@ -135,6 +135,7 @@ th {{ cursor: pointer; }}
 tr:hover {{ filter: var(--tr-hover-filter); }}
 .expandable {{ cursor: pointer; }}
 .expandable-content {{ display: none; }}
+pre {{ white-space: pre-wrap; }}
 #fish {{ display: none; float: right; position: relative; top: -20em; right: 2vw; margin-bottom: -20em; width: 30vw; filter: brightness(7%); z-index: -1; }}
 
 .themes {{