diff --git a/trac/htdocs/libcaca.css b/trac/htdocs/libcaca.css
index 57c5565..da22f0c 100644
--- a/trac/htdocs/libcaca.css
+++ b/trac/htdocs/libcaca.css
@@ -440,7 +440,8 @@ margin: 0 auto;
 
 /* browser */
 table.listing {
-    border-color: #674E4E;
+    border: 1px solid #674E4E;
+    border-collapse: collapse;
 }
 table.listing thead th, 
 table.listing tbody td,