diff --git a/tests/auto/gui/text/qtextdocumentlayout/tst_qtextdocumentlayout.cpp b/tests/auto/gui/text/qtextdocumentlayout/tst_qtextdocumentlayout.cpp
index f66b16b970e..4ed02ca658f 100644
--- a/tests/auto/gui/text/qtextdocumentlayout/tst_qtextdocumentlayout.cpp
+++ b/tests/auto/gui/text/qtextdocumentlayout/tst_qtextdocumentlayout.cpp
@@ -305,7 +305,9 @@ void tst_QTextDocumentLayout::imageAtRightAlignedTab()
 #ifdef Q_OS_WINRT
     QEXPECT_FAIL("", "Fails on winrt. Figure out why - QTBUG-68297", Continue);
 #endif
-    QCOMPARE(doc->idealWidth(), 300.0);
+
+    qreal bearing = QFontMetricsF(doc->defaultFont()).rightBearing(QLatin1Char('t'));
+    QCOMPARE(doc->idealWidth(), std::max(300.0, 300.0 - bearing));
 }
 
 void tst_QTextDocumentLayout::blockVisibility()