diff --git a/src/gui/text/qfont.cpp b/src/gui/text/qfont.cpp
index 7d9d00713c..947c538234 100644
--- a/src/gui/text/qfont.cpp
+++ b/src/gui/text/qfont.cpp
@@ -2110,6 +2110,9 @@ QString QFont::lastResortFamily() const
     return QString::fromLatin1("helvetica");
 }
 
+extern QStringList qt_fallbacksForFamily(const QString &family, QFont::Style style,
+                                         QFont::StyleHint styleHint, QChar::Script script);
+
 /*!
     \fn QString QFont::defaultFamily() const
 
@@ -2120,8 +2123,7 @@ QString QFont::lastResortFamily() const
 */
 QString QFont::defaultFamily() const
 {
-    QPlatformFontDatabase *fontDB = QGuiApplicationPrivate::platformIntegration()->fontDatabase();
-    const QStringList fallbacks = fontDB->fallbacksForFamily(QString(), QFont::StyleNormal
+    const QStringList fallbacks = qt_fallbacksForFamily(QString(), QFont::StyleNormal
                                       , QFont::StyleHint(d->request.styleHint), QChar::Script_Common);
     if (!fallbacks.isEmpty())
         return fallbacks.first();