diff --git a/src/gallium/drivers/r600/sfn/sfn_nir.cpp b/src/gallium/drivers/r600/sfn/sfn_nir.cpp
index bdecf75ae1f..856c386b549 100644
--- a/src/gallium/drivers/r600/sfn/sfn_nir.cpp
+++ b/src/gallium/drivers/r600/sfn/sfn_nir.cpp
@@ -625,7 +625,7 @@ int r600_shader_from_nir(struct r600_context *rctx,
 
    NIR_PASS_V(sel->nir, nir_lower_vars_to_scratch,
               nir_var_function_temp,
-              100,
+              40,
               r600_get_natural_size_align_bytes);
 
    while (optimize && optimize_once(sel->nir));