diff --git a/src/gallium/drivers/radeonsi/si_shader_nir.c b/src/gallium/drivers/radeonsi/si_shader_nir.c
index a3e49d8bec5..5cd5cd32359 100644
--- a/src/gallium/drivers/radeonsi/si_shader_nir.c
+++ b/src/gallium/drivers/radeonsi/si_shader_nir.c
@@ -148,7 +148,7 @@ static void scan_io_usage(struct si_shader_info *info, nir_intrinsic_instr *intr
 
          info->input[loc].semantic = semantic + i;
 
-         if (semantic == SYSTEM_VALUE_PRIMITIVE_ID)
+         if (semantic == VARYING_SLOT_PRIMITIVE_ID)
             info->input[loc].interpolate = INTERP_MODE_FLAT;
          else
             info->input[loc].interpolate = interp;