diff --git a/blockmanager.go b/blockmanager.go
index 68b96d822..01d8afe53 100644
--- a/blockmanager.go
+++ b/blockmanager.go
@@ -906,7 +906,8 @@ out:
 				b.handleDonePeerMsg(candidatePeers, msg.peer)
 
 			default:
-				// bitch and whine.
+				bmgrLog.Warnf("Invalid message type in block "+
+					"handler: %T", msg)
 			}
 
 		// Queries used for atomically retrieving internal state.