diff --git a/src/corelib/text/qlocale_unix.cpp b/src/corelib/text/qlocale_unix.cpp
index a934f24c01..91dbb74c20 100644
--- a/src/corelib/text/qlocale_unix.cpp
+++ b/src/corelib/text/qlocale_unix.cpp
@@ -127,6 +127,8 @@ QLocale QSystemLocale::fallbackLocale() const
 QVariant QSystemLocale::query(QueryType type, QVariant &&in) const
 {
     QSystemLocaleData *d = qSystemLocaleData();
+    if (!d)
+        return QVariant();
 
     if (type == LocaleChanged) {
         d->readEnvironment();
diff --git a/src/corelib/text/qlocale_win.cpp b/src/corelib/text/qlocale_win.cpp
index 9fdb46a4c9..793751daaf 100644
--- a/src/corelib/text/qlocale_win.cpp
+++ b/src/corelib/text/qlocale_win.cpp
@@ -828,6 +828,8 @@ QLocale QSystemLocale::fallbackLocale() const
 QVariant QSystemLocale::query(QueryType type, QVariant &&in) const
 {
     QSystemLocalePrivate *d = systemLocalePrivate();
+    if (!d)
+        return QVariant();
     switch(type) {
     case DecimalPoint:
         return d->decimalPoint();