diff --git a/src/intel/compiler/brw_compile_vs.cpp b/src/intel/compiler/brw_compile_vs.cpp
index b47a3e32a75..3e6e5befefb 100644
--- a/src/intel/compiler/brw_compile_vs.cpp
+++ b/src/intel/compiler/brw_compile_vs.cpp
@@ -20,7 +20,7 @@ brw_assign_vs_urb_setup(fs_visitor &s)
    assert(s.stage == MESA_SHADER_VERTEX);
 
    /* Each attribute is 4 regs. */
-   s.first_non_payload_grf += 4 * vs_prog_data->nr_attribute_slots;
+   s.first_non_payload_grf += 8 * vs_prog_data->base.urb_read_length;
 
    assert(vs_prog_data->base.urb_read_length <= 15);