diff --git a/src/lib/SyncMessage.js b/src/lib/SyncMessage.js
index eb654c5..a34bbae 100644
--- a/src/lib/SyncMessage.js
+++ b/src/lib/SyncMessage.js
@@ -78,7 +78,7 @@
           try {
             if ((result = l(JSON.parse(msg), sender)) !== undefined) break;
           } catch (e) {
-            console.error(e);
+            console.error(e, "Processing message %o from %o", msg, sender);
           }
         }
         return {