diff --git a/list_view_sticky_header_and_column/static/src/scss/list_view_sticky_header_and_column.scss b/list_view_sticky_header_and_column/static/src/scss/list_view_sticky_header_and_column.scss
index 11bba53c9..087301b27 100644
--- a/list_view_sticky_header_and_column/static/src/scss/list_view_sticky_header_and_column.scss
+++ b/list_view_sticky_header_and_column/static/src/scss/list_view_sticky_header_and_column.scss
@@ -14,7 +14,7 @@
 .o_list_view .o_list_table thead {
     position: sticky;
     top: 0;
-    z-index: 3;
+    z-index: 4 !important;
     background-color: white;
 }
 .o_list_view .o_list_table th.sticky-column {