diff --git a/cor_custom/static/src/css/rtl_css_direction.css b/cor_custom/static/src/css/rtl_css_direction.css
index 9a2b13a..c825815 100755
--- a/cor_custom/static/src/css/rtl_css_direction.css
+++ b/cor_custom/static/src/css/rtl_css_direction.css
@@ -15,3 +15,10 @@ ul.o_menu_systray {
 .o_main_navbar > ul > li {
     float: right;}
     }
+    
+tbody .o_one2many_header_cell_fix {
+    position:sticky;
+    left:0px;
+    background:white;
+    border-right:1px solid #DEE2E6;
+}
\ No newline at end of file