diff --git a/src/mapgen.ts b/src/mapgen.ts
index 446be55..cb1ebf6 100644
--- a/src/mapgen.ts
+++ b/src/mapgen.ts
@@ -103,7 +103,7 @@ class Knife {
               return "█";
             }
             if (this.#map.get(loc).architecture == Architecture.Wall) {
-              return "#";
+              return "▓";
             }
             let r = this.#regions.get(loc);
             if(typeof r === "number") {