diff --git a/test_coverage.sh b/test_coverage.sh
index 13b4994c..a5c68248 100755
--- a/test_coverage.sh
+++ b/test_coverage.sh
@@ -402,6 +402,7 @@ kill $lstpid
 verify=`./src/tools/ebusctl -p 8877 info|egrep "^address 04:"`
 if [ "x$verify" != 'xaddress 04: slave #25, scanned "MF=153;ID=BBBBB;SW=3031;HW=3031"' ]; then
   echo `date` "error unexpected result from info command: $verify"
+  ls -latr
   kill $pid
   kill $srvpid
   echo `date` "ebusd log:"