diff --git a/smack-extensions/src/main/java/org/jivesoftware/smack/chat2/ChatManager.java b/smack-extensions/src/main/java/org/jivesoftware/smack/chat2/ChatManager.java
index e8349b6c6..3238dda04 100644
--- a/smack-extensions/src/main/java/org/jivesoftware/smack/chat2/ChatManager.java
+++ b/smack-extensions/src/main/java/org/jivesoftware/smack/chat2/ChatManager.java
@@ -161,7 +161,7 @@ public final class ChatManager extends Manager {
                 }
 
                 final EntityFullJid fullFrom = from.asEntityFullJidIfPossible();
-                if (!chat.lockedResource.equals(fullFrom)) {
+                if (chat.lockedResource.equals(fullFrom)) {
                     return;
                 }