diff --git a/src/gallium/drivers/radeonsi/si_shader_nir.c b/src/gallium/drivers/radeonsi/si_shader_nir.c
index acff79a1653..f2d588a2fe0 100644
--- a/src/gallium/drivers/radeonsi/si_shader_nir.c
+++ b/src/gallium/drivers/radeonsi/si_shader_nir.c
@@ -23,6 +23,7 @@
  */
 
 #include "nir_builder.h"
+#include "nir_xfb_info.h"
 #include "si_pipe.h"
 
 
@@ -372,6 +373,10 @@ char *si_finalize_nir(struct pipe_screen *screen, void *nirptr)
    si_lower_nir(sscreen, nir);
    nir_shader_gather_info(nir, nir_shader_get_entrypoint(nir));
 
+   /* Update xfb info after we did medium io lowering. */
+   if (nir->xfb_info && nir->info.outputs_written_16bit)
+      nir_gather_xfb_info_from_intrinsics(nir);
+
    if (sscreen->options.inline_uniforms)
       nir_find_inlinable_uniforms(nir);