diff --git a/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/MucConfigFormManager.java b/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/MucConfigFormManager.java
index ef05af2cd..587ff2708 100644
--- a/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/MucConfigFormManager.java
+++ b/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/MucConfigFormManager.java
@@ -24,7 +24,7 @@ import org.jivesoftware.smack.SmackException.NoResponseException;
 import org.jivesoftware.smack.SmackException.NotConnectedException;
 import org.jivesoftware.smack.XMPPException.XMPPErrorException;
 import org.jivesoftware.smack.util.StringUtils;
-import org.jivesoftware.smackx.muc.MultiUserChatException.MucConfigurationNotSupported;
+import org.jivesoftware.smackx.muc.MultiUserChatException.MucConfigurationNotSupportedException;
 import org.jivesoftware.smackx.xdata.Form;
 import org.jivesoftware.smackx.xdata.FormField;
 import org.jxmpp.jid.Jid;
@@ -97,9 +97,9 @@ public class MucConfigFormManager {
         return owners != null;
     }
 
-    public MucConfigFormManager setRoomOwners(Collection<? extends Jid> newOwners) throws MucConfigurationNotSupported {
+    public MucConfigFormManager setRoomOwners(Collection<? extends Jid> newOwners) throws MucConfigurationNotSupportedException {
         if (!supportsRoomOwners()) {
-            throw new MucConfigurationNotSupported(MUC_ROOMCONFIG_ROOMOWNERS);
+            throw new MucConfigurationNotSupportedException(MUC_ROOMCONFIG_ROOMOWNERS);
         }
         owners.clear();
         owners.addAll(newOwners);
diff --git a/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/MultiUserChatException.java b/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/MultiUserChatException.java
index a7fd10088..055e5c38c 100644
--- a/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/MultiUserChatException.java
+++ b/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/MultiUserChatException.java
@@ -72,14 +72,14 @@ public abstract class MultiUserChatException extends SmackException {
     /**
      * Thrown if the MUC room does not support the requested configuration option.
      */
-    public static class MucConfigurationNotSupported extends MultiUserChatException {
+    public static class MucConfigurationNotSupportedException extends MultiUserChatException {
 
         /**
          * 
          */
         private static final long serialVersionUID = 1L;
 
-        public MucConfigurationNotSupported(String configString) {
+        public MucConfigurationNotSupportedException(String configString) {
             super("The MUC configuration '" + configString + "' is not supported by the MUC service");
         }
     }