diff --git a/src/gallium/auxiliary/nir/nir_to_tgsi_info.c b/src/gallium/auxiliary/nir/nir_to_tgsi_info.c
index 79af7e5548a..3bb5f1f8bae 100644
--- a/src/gallium/auxiliary/nir/nir_to_tgsi_info.c
+++ b/src/gallium/auxiliary/nir/nir_to_tgsi_info.c
@@ -579,7 +579,7 @@ void nir_tgsi_scan_shader(const struct nir_shader *nir,
          info->indirect_files |= 1 << TGSI_FILE_INPUT;
       info->file_max[TGSI_FILE_INPUT] = info->num_inputs - 1;
    } else {
-      int max = -1;
+      int max = info->file_max[TGSI_FILE_INPUT] = -1;
       nir_foreach_shader_in_variable(var, nir) {
          int slots = glsl_count_attribute_slots(var->type, false);
          int tmax = var->data.driver_location + slots - 1;