diff --git a/tests/auto/qlistwidget/qlistwidget.pro b/tests/auto/qlistwidget/qlistwidget.pro
index eb4c335b5b..30305e1c8d 100644
--- a/tests/auto/qlistwidget/qlistwidget.pro
+++ b/tests/auto/qlistwidget/qlistwidget.pro
@@ -2,4 +2,4 @@ load(qttest_p4)
 QT += core-private gui-private
 SOURCES  += tst_qlistwidget.cpp
 
-
+qpa:contains(QT_CONFIG,xcb):CONFIG+=insignificant_test  # QTBUG-21098, fails unstably