diff --git a/lib/matisse-thesis.typ b/lib/matisse-thesis.typ
index d0eac42..21c88d3 100644
--- a/lib/matisse-thesis.typ
+++ b/lib/matisse-thesis.typ
@@ -158,7 +158,12 @@
   )
 
   // ---------- LISTING ----------
-  show raw.where(block: true): block.with(radius: 1em, fill: luma(240), inset: 1em)
+  show raw.where(block: true): it => {
+    block(radius: 1em, fill: luma(240), inset: 1em, width: 80%, {
+      set align(left)
+      it
+    })
+  }
 
   // ---------- OUTLINES ----------