diff --git a/scripts/compatibility_matrix.py b/scripts/compatibility_matrix.py
index 364a555..5819b11 100755
--- a/scripts/compatibility_matrix.py
+++ b/scripts/compatibility_matrix.py
@@ -268,7 +268,7 @@ th {
   transform: scale(-1);
 }
 .rocol {
-  min-width: 2em;
+  min-width: 3em;
 }
 </style>
 ''')