diff --git a/node/server.js b/node/server.js
index 0f2335c..4c4ca89 100644
--- a/node/server.js
+++ b/node/server.js
@@ -11233,6 +11233,10 @@ function new_monster(instance, map_def, args) {
 	} else {
 		monster.width = monster.height = 24;
 	}
+	if (G.monsters[monster.type].size) {
+		monster.width = Math.round(monster.width * G.monsters[monster.type].size);
+		monster.height = Math.round(monster.height * G.monsters[monster.type].size);
+	}
 	set_base(monster);
 
 	if (map_def.random) {