diff --git a/smack-experimental/src/main/java/org/jivesoftware/smackx/dox/DnsOverXmppManager.java b/smack-experimental/src/main/java/org/jivesoftware/smackx/dox/DnsOverXmppManager.java
index 1ffba5597..92bd0b555 100644
--- a/smack-experimental/src/main/java/org/jivesoftware/smackx/dox/DnsOverXmppManager.java
+++ b/smack-experimental/src/main/java/org/jivesoftware/smackx/dox/DnsOverXmppManager.java
@@ -60,7 +60,7 @@ public final class DnsOverXmppManager extends Manager {
 
     private static DnsOverXmppResolver defaultResolver;
 
-    public void setDefaultDnsOverXmppResolver(DnsOverXmppResolver resolver) {
+    public static void setDefaultDnsOverXmppResolver(DnsOverXmppResolver resolver) {
         defaultResolver = resolver;
     }