diff --git a/bin/tests/system/resolver/tests.sh b/bin/tests/system/resolver/tests.sh
index 3874361fb5..a958103c0a 100755
--- a/bin/tests/system/resolver/tests.sh
+++ b/bin/tests/system/resolver/tests.sh
@@ -805,7 +805,7 @@ status=`expr $status + $ret`
 n=`expr $n + 1`
 echo_i "check that the resolver accepts a reply with empty question section with TC=1 and retries over TCP ($n)"
 ret=0
-$DIG $DIGOPTS @10.53.0.5 truncated.no-questions. a +tries=3 +time=5 > dig.ns5.out.${n} || ret=1
+$DIG $DIGOPTS @10.53.0.5 truncated.no-questions. a +tries=3 +time=4 > dig.ns5.out.${n} || ret=1
 grep "status: NOERROR" dig.ns5.out.${n} > /dev/null || ret=1
 grep "ANSWER: 1," dig.ns5.out.${n} > /dev/null || ret=1
 grep "1\.2\.3\.4" dig.ns5.out.${n} > /dev/null || ret=1
@@ -815,7 +815,7 @@ status=`expr $status + $ret`
 n=`expr $n + 1`
 echo_i "check that the resolver rejects a reply with empty question section with TC=0 ($n)"
 ret=0
-$DIG $DIGOPTS @10.53.0.5 not-truncated.no-questions. a +tries=3 +time=5 > dig.ns5.out.${n} || ret=1
+$DIG $DIGOPTS @10.53.0.5 not-truncated.no-questions. a +tries=3 +time=4 > dig.ns5.out.${n} || ret=1
 grep "status: NOERROR" dig.ns5.out.${n} > /dev/null && ret=1
 grep "ANSWER: 1," dig.ns5.out.${n} > /dev/null && ret=1
 grep "1\.2\.3\.4" dig.ns5.out.${n} > /dev/null && ret=1
diff --git a/bin/tests/system/serve-stale/tests.sh b/bin/tests/system/serve-stale/tests.sh
index b787c816ab..518396bde4 100755
--- a/bin/tests/system/serve-stale/tests.sh
+++ b/bin/tests/system/serve-stale/tests.sh
@@ -13,14 +13,16 @@
 
 RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
 
-# wait up to ten seconds to ensure that a file has been written
+# wait up to 11 seconds to ensure that a file has been written
 waitfile () {
-    for try in 0 1 2 3 4 5 6 7 8 9; do
+    for try in 0 1 2 3 4 5 6 7 8 9 10; do
         [ -s "$1" ] && break
         sleep 1
     done
 }
 
+DIG="$DIG +time=11"
+
 max_stale_ttl=$(sed -ne 's,^[[:space:]]*max-stale-ttl \([[:digit:]]*\).*,\1,p' $TOP_SRCDIR/bin/named/config.c)
 
 status=0