diff --git a/tools/valgrind-webrtc/gtest_exclude/xmllite_xmpp_unittests.gtest-drmemory_win32.txt b/tools/valgrind-webrtc/gtest_exclude/xmllite_xmpp_unittests.gtest-drmemory_win32.txt
new file mode 100644
index 0000000000..f2b7c3dcd4
--- /dev/null
+++ b/tools/valgrind-webrtc/gtest_exclude/xmllite_xmpp_unittests.gtest-drmemory_win32.txt
@@ -0,0 +1,3 @@
+# Fails on Dr Memory Full.
+# https://code.google.com/p/webrtc/issues/detail?id=5943
+PingTaskTest.*