diff --git a/src/gallium/drivers/radeonsi/gfx10_shader_ngg.c b/src/gallium/drivers/radeonsi/gfx10_shader_ngg.c
index 36e84ec12e0..c7b55568502 100644
--- a/src/gallium/drivers/radeonsi/gfx10_shader_ngg.c
+++ b/src/gallium/drivers/radeonsi/gfx10_shader_ngg.c
@@ -2008,7 +2008,7 @@ retry_select_mode:
 
    /* Round up towards full wave sizes for better ALU utilization. */
    if (!max_vert_out_per_gs_instance) {
-      const unsigned wavesize = gs_sel->screen->ge_wave_size;
+      const unsigned wavesize = si_get_shader_wave_size(shader);
       unsigned orig_max_esverts;
       unsigned orig_max_gsprims;
       do {