diff --git a/src/positioning/qdoublematrix4x4_p.h b/src/positioning/qdoublematrix4x4_p.h
index 3ce7b312a2d06b98a9b60833ba970dc886d720e7..d8f6b1f61c3c30026802e7d915dfdd2c3e490032 100644
--- a/src/positioning/qdoublematrix4x4_p.h
+++ b/src/positioning/qdoublematrix4x4_p.h
@@ -936,7 +936,7 @@ Q_POSITIONING_PRIVATE_EXPORT QDebug operator<<(QDebug dbg, const QDoubleMatrix4x
 
 #ifndef QT_NO_DATASTREAM
 Q_POSITIONING_PRIVATE_EXPORT QDataStream &operator<<(QDataStream &, const QDoubleMatrix4x4 &);
-Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QDoubleMatrix4x4 &);
+Q_POSITIONING_PRIVATE_EXPORT QDataStream &operator>>(QDataStream &, QDoubleMatrix4x4 &);
 #endif