diff --git a/validata_ui_next/templates/validation_report.html b/validata_ui_next/templates/validation_report.html
index 0fb3396e6322afa8cf031f37504d7118684074a2..abeecfa7874557cae62b77adedaa4026c96161c3 100644
--- a/validata_ui_next/templates/validation_report.html
+++ b/validata_ui_next/templates/validation_report.html
@@ -51,14 +51,20 @@
 <div>
     <h3>Erreurs de valeurs</h3>
 
+    {% set line = {'no': 0} %}
+
     {% for err in report['tables'][0]['errors'] %}
 
     {% if err.context == 'body' %}
 
+    {% if line.no != err['row-number'] %}
+    {% if line.update({'no': err['row-number']}) %}{% endif %}
+    <h4>Ligne {{ line.no - 1}}</h4>
+    {% endif %}
+
     <div class="table-responsive-sm">
-        <table class="table-sm table-bordered table-striped table-hover">
-            <thead>
-                <th scope="col">#</th>
+        <table class="table-sm table-bordered">
+            <thead class="thead-light">
                 {% for h in report['tables'][0]['headers'] %}
                 <th scope="col">{{ h }}</th>
                 {% endfor %}
@@ -66,7 +72,6 @@
             <!-- TODO: regrouper les erreurs par ligne ? -->
             <tbody>
                 <tr>
-                    <th scope="row">{{ err['row-number'] - 1 }}</th>
                     {% for d in source_data.data_rows[err['row-number'] - 2] %}
                     {% if loop.index == err['column-number'] %}
                     <td class="table-danger">{{ d }}</td>