diff --git a/src/StreamCore.cc b/src/StreamCore.cc
index 1943bf1..bdd5d25 100644
--- a/src/StreamCore.cc
+++ b/src/StreamCore.cc
@@ -832,7 +832,7 @@ lockCallback(StreamIoStatus status)
         case StreamIoSuccess:
             break;
         case StreamIoTimeout:
-            debug("%s: length, within %ld ms, device seems to be busy\n",
+            debug("%s: Cannot lock device within %ld ms, device seems to be busy\n",
                 name(), lockTimeout);
             flags &= ~BusOwner;
             finishProtocol(LockTimeout);