diff --git a/core/java/src/net/i2p/client/I2PSessionMuxedImpl.java b/core/java/src/net/i2p/client/I2PSessionMuxedImpl.java
index 837bc2dbc..342b05d26 100644
--- a/core/java/src/net/i2p/client/I2PSessionMuxedImpl.java
+++ b/core/java/src/net/i2p/client/I2PSessionMuxedImpl.java
@@ -274,7 +274,7 @@ class I2PSessionMuxedImpl extends I2PSessionImpl2 implements I2PSession {
                     _demultiplexer.messageAvailable(I2PSessionMuxedImpl.this,
                         msg.id, msg.size, msg.proto, msg.fromPort, msg.toPort);
                 } catch (Exception e) {
-                    _log.error("Error notifying app of message availability");
+                    _log.error("Error notifying app of message availability", e);
                 }
             }
         }