diff --git a/src/gui/text/qfontdatabase.cpp b/src/gui/text/qfontdatabase.cpp
index a4aa8bf3564..5ffda4eb880 100644
--- a/src/gui/text/qfontdatabase.cpp
+++ b/src/gui/text/qfontdatabase.cpp
@@ -1892,7 +1892,19 @@ bool QFontDatabase::hasFamily(const QString &family)
     QString parsedFamily, foundry;
     parseFontName(family, foundry, parsedFamily);
     const QString familyAlias = QFontDatabasePrivate::resolveFontFamilyAlias(parsedFamily);
-    return families().contains(familyAlias, Qt::CaseInsensitive);
+
+    QMutexLocker locker(fontDatabaseMutex());
+    QFontDatabasePrivate *d = QFontDatabasePrivate::ensureFontDatabase();
+
+    for (int i = 0; i < d->count; i++) {
+        QtFontFamily *f = d->families[i];
+        if (f->populated && f->count == 0)
+            continue;
+        if (familyAlias.compare(f->name, Qt::CaseInsensitive) == 0)
+            return true;
+    }
+
+    return false;
 }
 
 
diff --git a/tests/auto/gui/text/qfont/BLACKLIST b/tests/auto/gui/text/qfont/BLACKLIST
index e914a7e533c..f85d8ceebb7 100644
--- a/tests/auto/gui/text/qfont/BLACKLIST
+++ b/tests/auto/gui/text/qfont/BLACKLIST
@@ -1,12 +1,8 @@
 [defaultFamily:cursive]
-ubuntu-20.04
-ubuntu-22.04
 centos
 b2qt
 rhel
 [defaultFamily:fantasy]
-ubuntu-20.04
-ubuntu-22.04
 centos
 b2qt
 rhel
diff --git a/tests/auto/gui/text/qfont/tst_qfont.cpp b/tests/auto/gui/text/qfont/tst_qfont.cpp
index a663468d0f1..4b3d4bfddbc 100644
--- a/tests/auto/gui/text/qfont/tst_qfont.cpp
+++ b/tests/auto/gui/text/qfont/tst_qfont.cpp
@@ -589,6 +589,11 @@ void tst_QFont::defaultFamily()
             break;
         }
     }
+
+#if defined(Q_OS_UNIX) && defined(QT_NO_FONTCONFIG)
+    QSKIP("This platform does not support checking for default font acceptability");
+#endif
+
 #ifdef Q_PROCESSOR_ARM_32
     if (QTestPrivate::isRunningArmOnX86())
         QEXPECT_FAIL("", "Fails on ARMv7 QEMU (QTQAINFRA-4127)", Continue);