diff --git a/node/server.js b/node/server.js
index 6060ab4..0f2335c 100644
--- a/node/server.js
+++ b/node/server.js
@@ -11230,6 +11230,8 @@ function new_monster(instance, map_def, args) {
 	if (G.dimensions[name]) {
 		monster.width = G.dimensions[name][0];
 		monster.height = G.dimensions[name][1];
+	} else {
+		monster.width = monster.height = 24;
 	}
 	set_base(monster);
 
@@ -11328,7 +11330,6 @@ function new_monster(instance, map_def, args) {
 	if (mode.range_test) {
 		monster.range = 2000;
 	}
-	monster.width = monster.height = 24;
 	if (args.temp) {
 		monster.temp = 1;
 	}