diff --git a/htdocs/projet/activity/perday.php b/htdocs/projet/activity/perday.php
index e694d6630a9..195ad3dbd89 100644
--- a/htdocs/projet/activity/perday.php
+++ b/htdocs/projet/activity/perday.php
@@ -427,7 +427,7 @@ print '<tr class="liste_titre">';
 print '<td class="liste_titre"><input type="text" size="4" name="search_task_ref" value="'.dol_escape_htmltag($search_task_ref).'"></td>';
 print '<td class="liste_titre"><input type="text" size="4" name="search_task_label" value="'.dol_escape_htmltag($search_task_label).'"></td>';
 print '<td class="liste_titre"><input type="text" size="4" name="search_project_ref" value="'.dol_escape_htmltag($search_project_ref).'"></td>';
-if (! empty($conf->global->PROJECT_LINES_PERDAY_SHOW_THIRDPARTY)) print '<td class="liste_total"><input type="text" size="4" name="search_thirdparty" value="'.dol_escape_htmltag($search_thirdparty).'"></td>';
+if (! empty($conf->global->PROJECT_LINES_PERDAY_SHOW_THIRDPARTY)) print '<td class="liste_titre"><input type="text" size="4" name="search_thirdparty" value="'.dol_escape_htmltag($search_thirdparty).'"></td>';
 print '<td class="liste_titre"></td>';
 print '<td class="liste_titre"></td>';
 print '<td class="liste_titre"></td>';
diff --git a/htdocs/projet/activity/perweek.php b/htdocs/projet/activity/perweek.php
index 584923636f0..9a34913b2f5 100644
--- a/htdocs/projet/activity/perweek.php
+++ b/htdocs/projet/activity/perweek.php
@@ -427,7 +427,7 @@ print '<tr class="liste_titre">';
 print '<td class="liste_titre"><input type="text" size="4" name="search_task_ref" value="'.dol_escape_htmltag($search_task_ref).'"></td>';
 print '<td class="liste_titre"><input type="text" size="4" name="search_task_label" value="'.dol_escape_htmltag($search_task_label).'"></td>';
 print '<td class="liste_titre"><input type="text" size="4" name="search_project_ref" value="'.dol_escape_htmltag($search_project_ref).'"></td>';
-if (! empty($conf->global->PROJECT_LINES_PERWEEK_SHOW_THIRDPARTY)) print '<td class="liste_total"><input type="text" size="4" name="search_thirdparty" value="'.dol_escape_htmltag($search_thirdparty).'"></td>';
+if (! empty($conf->global->PROJECT_LINES_PERWEEK_SHOW_THIRDPARTY)) print '<td class="liste_titre"><input type="text" size="4" name="search_thirdparty" value="'.dol_escape_htmltag($search_thirdparty).'"></td>';
 print '<td class="liste_titre"></td>';
 print '<td class="liste_titre"></td>';
 print '<td class="liste_titre"></td>';