diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 6a605ba75dd6..8bdd7253c110 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -1383,7 +1383,7 @@ sub reboot {
 
     } else {
 	# Make sure everything has been written to disk
-	run_ssh("sync");
+	run_ssh("sync", 10);
 
 	if (defined($time)) {
 	    start_monitor;