diff --git a/paper-api/src/main/java/org/bukkit/plugin/messaging/StandardMessenger.java b/paper-api/src/main/java/org/bukkit/plugin/messaging/StandardMessenger.java
index ed39f5116b..8e96be6033 100644
--- a/paper-api/src/main/java/org/bukkit/plugin/messaging/StandardMessenger.java
+++ b/paper-api/src/main/java/org/bukkit/plugin/messaging/StandardMessenger.java
@@ -172,7 +172,7 @@ public class StandardMessenger implements Messenger {
     public boolean isReservedChannel(@NotNull String channel) {
         channel = validateAndCorrectChannel(channel);
 
-        return channel.contains("minecraft") && !channel.equals("minecraft:brand");
+        return channel.equals("minecraft:register") || channel.equals("minecraft:unregister"); // Paper
     }
 
     @Override
diff --git a/paper-api/src/test/java/org/bukkit/plugin/messaging/StandardMessengerTest.java b/paper-api/src/test/java/org/bukkit/plugin/messaging/StandardMessengerTest.java
index 144ae2f31b..8ffaa33d97 100644
--- a/paper-api/src/test/java/org/bukkit/plugin/messaging/StandardMessengerTest.java
+++ b/paper-api/src/test/java/org/bukkit/plugin/messaging/StandardMessengerTest.java
@@ -26,8 +26,8 @@ public class StandardMessengerTest {
         assertTrue(messenger.isReservedChannel("minecraft:register"));
         assertFalse(messenger.isReservedChannel("test:register"));
         assertTrue(messenger.isReservedChannel("minecraft:unregister"));
-        assertFalse(messenger.isReservedChannel("test:nregister"));
-        assertTrue(messenger.isReservedChannel("minecraft:something"));
+        assertFalse(messenger.isReservedChannel("test:unregister")); // Paper - fix typo
+        assertFalse(messenger.isReservedChannel("minecraft:something")); // Paper - now less strict
         assertFalse(messenger.isReservedChannel("minecraft:brand"));
     }