diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h
index 0ae0297e30b..fbf463618da 100644
--- a/src/gallium/include/pipe/p_state.h
+++ b/src/gallium/include/pipe/p_state.h
@@ -111,6 +111,7 @@ struct pipe_rasterizer_state
    unsigned point_tri_clip:1; /** large points clipped as tris or points */
    unsigned point_size_per_vertex:1; /**< size computed in vertex shader */
    unsigned multisample:1;         /* XXX maybe more ms state in future */
+   unsigned no_ms_sample_mask_out;
    unsigned force_persample_interp:1;
    unsigned line_smooth:1;
    unsigned line_stipple_enable:1;