diff --git a/test/TEST-30-ISCSI/test.sh b/test/TEST-30-ISCSI/test.sh
index 5a10a075..a70cdfe1 100755
--- a/test/TEST-30-ISCSI/test.sh
+++ b/test/TEST-30-ISCSI/test.sh
@@ -11,7 +11,7 @@ run_server() {
 
     $testdir/run-qemu -hda server.ext2 -hdb root.ext2 -m 256M -nographic \
 	-net nic,macaddr=52:54:00:12:34:56,model=e1000 \
-	-net socket,mcast=230.0.0.1:1234 \
+	-net socket,mcast=230.0.0.1:1235 \
 	-serial udp:127.0.0.1:9999 \
 	-kernel /boot/vmlinuz-$KVERSION \
 	-append "root=/dev/sda rw quiet console=ttyS0,115200n81" \
@@ -35,7 +35,7 @@ run_client() {
 
     $testdir/run-qemu -hda client.img -m 256M -nographic \
   	-net nic,macaddr=52:54:00:12:34:00,model=e1000 \
-  	-net socket,mcast=230.0.0.1:1234 \
+  	-net socket,mcast=230.0.0.1:1235 \
   	-kernel /boot/vmlinuz-$KVERSION \
 	-append "root=dhcp rw quiet console=ttyS0,115200n81 $DEBUGFAIL" \
   	-initrd initramfs.testing
diff --git a/test/TEST-40-NBD/test.sh b/test/TEST-40-NBD/test.sh
index 645c4712..76657416 100755
--- a/test/TEST-40-NBD/test.sh
+++ b/test/TEST-40-NBD/test.sh
@@ -13,7 +13,7 @@ run_server() {
     $testdir/run-qemu -hda server.ext2 -hdb nbd.ext2 -hdc encrypted.ext2 \
 	-m 256M -nographic \
 	-net nic,macaddr=52:54:00:12:34:56,model=e1000 \
-	-net socket,mcast=230.0.0.1:1234 \
+	-net socket,mcast=230.0.0.1:1236 \
 	-serial udp:127.0.0.1:9999 \
 	-kernel /boot/vmlinuz-$KVERSION \
 	-append "root=/dev/sda rw quiet console=ttyS0,115200n81" \
@@ -48,7 +48,7 @@ client_test() {
 
     $testdir/run-qemu -hda flag.img -m 256M -nographic \
 	-net nic,macaddr=$mac,model=e1000 \
-	-net socket,mcast=230.0.0.1:1234 \
+	-net socket,mcast=230.0.0.1:1236 \
 	-kernel /boot/vmlinuz-$KVERSION \
 	-append "$cmdline $DEBUGFAIL ro quiet console=ttyS0,115200n81" \
 	-initrd initramfs.testing