diff --git a/bin/tests/system/xfer/clean.sh b/bin/tests/system/xfer/clean.sh
index d1525222ea..48aa159137 100644
--- a/bin/tests/system/xfer/clean.sh
+++ b/bin/tests/system/xfer/clean.sh
@@ -23,6 +23,7 @@
 
 rm -f dig.out.ns1 dig.out.ns2 dig.out.ns3 dig.out.ns4
 rm -f dig.out.ns5 dig.out.ns6 dig.out.ns7
+rm -f dig.out.soa.ns3
 rm -f axfr.out
 rm -f ns1/slave.db ns2/slave.db
 rm -f ns2/example.db ns2/tsigzone.db ns2/example.db.jnl
diff --git a/bin/tests/system/xfer/tests.sh b/bin/tests/system/xfer/tests.sh
index 5a6a186265..4b96c8fc3f 100644
--- a/bin/tests/system/xfer/tests.sh
+++ b/bin/tests/system/xfer/tests.sh
@@ -126,6 +126,12 @@ status=`expr $status + $tmp`
 
 echo "I:testing ixfr-from-differences yes;"
 tmp=0
+for i in 0 1 2 3 4 5 6 7 8 9
+do
+	$DIG $DIGOPTS @10.53.0.3 -p 5300 +noall +answer soa example > dig.out.soa.ns3
+	grep "1397051953" dig.out.soa.ns3 > /dev/null && break;
+	sleep 1
+done
 
 $DIG $DIGOPTS example. \
 	@10.53.0.3 axfr -p 5300 > dig.out.ns3 || tmp=1