diff --git a/src/gui/painting/qemulationpaintengine.cpp b/src/gui/painting/qemulationpaintengine.cpp
index bb87b4fd6e..0fb907b6c5 100644
--- a/src/gui/painting/qemulationpaintengine.cpp
+++ b/src/gui/painting/qemulationpaintengine.cpp
@@ -169,7 +169,7 @@ void QEmulationPaintEngine::drawTextItem(const QPointF &p, const QTextItem &text
 {
     if (state()->bgMode == Qt::OpaqueMode) {
         const QTextItemInt &ti = static_cast<const QTextItemInt &>(textItem);
-        QRectF rect(p.x(), p.y() - ti.ascent.toReal(), ti.width.toReal(), (ti.ascent + ti.descent + 1).toReal());
+        QRectF rect(p.x(), p.y() - ti.ascent.toReal(), ti.width.toReal(), (ti.ascent + ti.descent).toReal());
         fillBGRect(rect);
     }
 
diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp
index fbb4c2eb56..2944130eaa 100644
--- a/src/gui/painting/qpainter.cpp
+++ b/src/gui/painting/qpainter.cpp
@@ -6353,7 +6353,7 @@ void QPainterPrivate::drawTextItem(const QPointF &p, const QTextItem &_ti, QText
     QTextItemInt &ti = const_cast<QTextItemInt &>(static_cast<const QTextItemInt &>(_ti));
 
     if (!extended && state->bgMode == Qt::OpaqueMode) {
-        QRectF rect(p.x(), p.y() - ti.ascent.toReal(), ti.width.toReal(), (ti.ascent + ti.descent + 1).toReal());
+        QRectF rect(p.x(), p.y() - ti.ascent.toReal(), ti.width.toReal(), (ti.ascent + ti.descent).toReal());
         q->fillRect(rect, state->bgBrush);
     }