diff --git a/src/gui/rhi/qshader_p.h b/src/gui/rhi/qshader_p.h
index a2df33d96b..f77bcb1259 100644
--- a/src/gui/rhi/qshader_p.h
+++ b/src/gui/rhi/qshader_p.h
@@ -41,7 +41,8 @@ struct Q_GUI_EXPORT QShaderPrivate
         MslTessTescPatchOutputBufferBinding,
         MslTessTescParamsBufferBinding,
         MslTessTescInputBufferBinding,
-        MslBufferSizeBufferBinding
+        MslBufferSizeBufferBinding,
+        MslMultiViewMaskBufferBinding
     };
 
     QShaderPrivate()