diff --git a/src/java/com/threerings/presents/peer/server/PeerManager.java b/src/java/com/threerings/presents/peer/server/PeerManager.java
index 118a77304..14a22606e 100644
--- a/src/java/com/threerings/presents/peer/server/PeerManager.java
+++ b/src/java/com/threerings/presents/peer/server/PeerManager.java
@@ -744,8 +744,8 @@ public abstract class PeerManager
             _injector.injectMembers(action);
             action.invoke();
         } catch (Exception e) {
-            log.warning("Failed to execute node action [from=" + caller.who() +
-                    ", action=" + action + ", serializedSize=" + serializedAction.length + "].");
+            log.warning("Failed to execute node action", "from", caller.who(),
+                        "action", action, "serializedSize", serializedAction.length, e);
         }
     }