diff --git a/tests/auto/network/socket/qudpsocket/BLACKLIST b/tests/auto/network/socket/qudpsocket/BLACKLIST
index 5adb05d3f2..3951be16ab 100644
--- a/tests/auto/network/socket/qudpsocket/BLACKLIST
+++ b/tests/auto/network/socket/qudpsocket/BLACKLIST
@@ -22,7 +22,12 @@ osx
 osx
 [broadcasting]
 osx
+ubuntu-16.04
 [zeroLengthDatagram]
 osx
 [linkLocalIPv6]
 redhatenterpriselinuxworkstation-6.6
+[pendingDatagramSize]
+ubuntu-16.04
+[readyReadForEmptyDatagram]
+ubuntu-16.04