diff --git a/tests/docker-kerberos/Dockerfile-fedora-client b/tests/docker-kerberos/Dockerfile-fedora-client
index 07596120..1248ef42 100644
--- a/tests/docker-kerberos/Dockerfile-fedora-client
+++ b/tests/docker-kerberos/Dockerfile-fedora-client
@@ -26,4 +26,4 @@ ADD dev-tun.tgz /dev/
 
 RUN ldconfig
 
-CMD sshd-keygen;/usr/sbin/sshd;echo testuser123|kinit testuser@KERBEROS.TEST && /usr/sbin/openconnect kerberos.test --cafile /etc/ca.pem -b && sleep 5 && ping -w 5 192.168.1.1 && ping6 -w 5 fd91:6d87:7341:db6a::1 && kdestroy && ( /usr/sbin/openconnect kerberos.test --cafile /etc/ca.pem --cookieonly --non-inter || touch /tmp/ok1 );echo testuser123|kinit testuser@KERBEROS.TEST && sleep 61 && ( /usr/sbin/openconnect kerberos.test --non-inter --cafile /etc/ca.pem || touch /tmp/ok2 );sleep 3600
+CMD sshd-keygen;/usr/sbin/sshd;echo testuser123|kinit testuser@KERBEROS.TEST && /usr/sbin/openconnect kerberos.test --cafile /etc/ca.pem -b && sleep 5 && ping -w 5 192.168.1.1 && ping6 -w 5 fd91:6d87:7341:db6a:0:52:190c:be01 && kdestroy && ( /usr/sbin/openconnect kerberos.test --cafile /etc/ca.pem --cookieonly --non-inter || touch /tmp/ok1 );echo testuser123|kinit testuser@KERBEROS.TEST && sleep 61 && ( /usr/sbin/openconnect kerberos.test --non-inter --cafile /etc/ca.pem || touch /tmp/ok2 );sleep 3600
diff --git a/tests/full-test b/tests/full-test
index ecb50bda..cf33ded8 100755
--- a/tests/full-test
+++ b/tests/full-test
@@ -92,7 +92,7 @@ if test $? != 0;then
 	stop
 fi
 
-ping6 -w 5 fd91:6d87:7341:db6a::1
+ping6 -w 5 fd91:6d87:7341:db6a:0:52:190c:be01
 if test $? != 0;then
 	kill $PID
 	echo "Cannot ping the IPv6 of ocserv"
diff --git a/tests/radius-test b/tests/radius-test
index 7316388e..92df870d 100755
--- a/tests/radius-test
+++ b/tests/radius-test
@@ -95,7 +95,7 @@ if test $? != 0;then
 	stop
 fi
 
-ping6 -w 5 fd91:6d87:7341:dd6b::1
+ping6 -w 5 fd91:6d87:7341:dd6b:0:52:190c:be01
 if test $? != 0;then
 	kill $PID
 	echo "Cannot ping the IPv6 of ocserv"