diff --git a/src/main/java/eu/siacs/conversations/generator/IqGenerator.java b/src/main/java/eu/siacs/conversations/generator/IqGenerator.java
index ddca539a16c24ede9c4c0fb4e0657fabd3a2394f..87fb298f23015f8bd450bece0fcb9da865717b33 100644
--- a/src/main/java/eu/siacs/conversations/generator/IqGenerator.java
+++ b/src/main/java/eu/siacs/conversations/generator/IqGenerator.java
@@ -414,6 +414,7 @@ public class IqGenerator extends AbstractGenerator {
 		options.putString("muc#roomconfig_membersonly", "1");
 		options.putString("muc#roomconfig_publicroom", "0");
 		options.putString("muc#roomconfig_whois", "anyone");
+		options.putString("mam","1");
 		return options;
 	}