diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index eb27e865b5..8e471cfa45 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -4665,7 +4665,7 @@ void QGLWidget::drawTexture(const QPointF &point, GLuint textureId, GLenum textu
 
 Q_GLOBAL_STATIC(QGLEngineThreadStorage<QGL2PaintEngineEx>, qt_gl_2_engine)
 
-QPaintEngine* qt_qgl_paint_engine()
+Q_OPENGL_EXPORT QPaintEngine* qt_qgl_paint_engine()
 {
     return qt_gl_2_engine()->engine();
 }
diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h
index 2177c147d8..86645fd5c1 100644
--- a/src/opengl/qgl_p.h
+++ b/src/opengl/qgl_p.h
@@ -513,7 +513,7 @@ QGLTexture* QGLTextureCache::getTexture(QGLContext *ctx, qint64 key)
     return m_cache.object(cacheKey);
 }
 
-extern QPaintEngine* qt_qgl_paint_engine();
+Q_OPENGL_EXPORT extern QPaintEngine* qt_qgl_paint_engine();
 
 // Put a guard around a GL object identifier and its context.
 // When the context goes away, a shared context will be used