diff --git a/src/java/com/threerings/presents/dobj/DSet.java b/src/java/com/threerings/presents/dobj/DSet.java
index ab0819862..6cc4a6af2 100644
--- a/src/java/com/threerings/presents/dobj/DSet.java
+++ b/src/java/com/threerings/presents/dobj/DSet.java
@@ -260,8 +260,8 @@ public class DSet<E extends DSet.Entry>
 
         // if the element is already in the set, bail now
         if (eidx >= 0) {
-            Log.warning("Refusing to add duplicate entry [set=" + this +
-                        ", entry=" + elem + "].");
+            Log.warning("Refusing to add duplicate entry [entry=" + elem +
+                        ", set=" + this + "].");
             return false;
         }