diff --git a/package.json b/package.json
index a8cc27d..63f881c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@navy.gif/wrappers",
-  "version": "1.3.17",
+  "version": "1.3.18",
   "description": "Various wrapper classes I use in my projects",
   "repository": "https://git.corgi.wtf/Navy.gif/wrappers.git",
   "author": "Navy.gif",
diff --git a/src/MessageBroker.ts b/src/MessageBroker.ts
index 955bec7..5a51607 100644
--- a/src/MessageBroker.ts
+++ b/src/MessageBroker.ts
@@ -300,13 +300,13 @@ class MessageBroker {
         }
     }
 
-    assertExchange (exchange: string, props: ExchangeDef) {
+    assertExchange (exchange: string, props?: ExchangeDef) {
         if (!this.#channel) 
             throw new Error('Channel doesn\'t exist');
-        return this.#channel.assertExchange(exchange, props.type ?? 'fanout', props);
+        return this.#channel.assertExchange(exchange, props?.type ?? 'fanout', props);
     }
 
-    assertQueue (queue: string, opts: QueueDef) {
+    assertQueue (queue: string, opts?: QueueDef) {
         if (!this.#channel) 
             throw new Error('Channel doesn\'t exist');
         return this.#channel.assertQueue(queue, opts);