diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 0c8b61f8398e..3bdd6a463819 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -1345,7 +1345,7 @@ sub reboot {
 
     } else {
 	# Make sure everything has been written to disk
-	run_ssh("sync");
+	run_ssh("sync", 10);
 
 	if (defined($time)) {
 	    start_monitor;