diff --git a/addons/stock/static/src/scss/stock_traceability_report.scss b/addons/stock/static/src/scss/stock_traceability_report.scss
index b58f484675b..285df4896f4 100644
--- a/addons/stock/static/src/scss/stock_traceability_report.scss
+++ b/addons/stock/static/src/scss/stock_traceability_report.scss
@@ -81,3 +81,4 @@
         }
     }
 }
+thead { display: table-row-group; }