diff --git a/src/gui/rhi/qshader_p.h b/src/gui/rhi/qshader_p.h
index f77bcb1259d..3bf4e217a54 100644
--- a/src/gui/rhi/qshader_p.h
+++ b/src/gui/rhi/qshader_p.h
@@ -15,6 +15,7 @@
 // We mean it.
 //
 
+#include <QtGui/private/qtguiglobal_p.h>
 #include <rhi/qshader.h>
 #include <QtCore/QAtomicInt>
 #include <QtCore/QMap>