diff --git a/src/microsoft/spirv_to_dxil/spirv2dxil.c b/src/microsoft/spirv_to_dxil/spirv2dxil.c
index 3f7b4273b57..858f58c1a46 100644
--- a/src/microsoft/spirv_to_dxil/spirv2dxil.c
+++ b/src/microsoft/spirv_to_dxil/spirv2dxil.c
@@ -121,23 +121,29 @@ main(int argc, char **argv)
 
    size_t word_count = file_size / WORD_SIZE;
 
-   void *data;
-   size_t size;
+   struct dxil_spirv_runtime_conf conf;
+   memset(&conf, 0, sizeof(conf));
+   conf.runtime_data_cbv.base_shader_register = 0;
+   conf.runtime_data_cbv.register_space = 31;
+   conf.zero_based_vertex_instance_id = true;
+
+   struct dxil_spirv_object obj;
+   memset(&obj, 0, sizeof(obj));
    if (spirv_to_dxil((uint32_t *)file_contents, word_count, NULL, 0,
                      (dxil_spirv_shader_stage)shader_stage, entry_point,
-                     &data, &size)) {
+                     &conf, &obj)) {
       FILE *file = fopen(output_file, "wb");
       if (!file) {
          fprintf(stderr, "Failed to open %s, %s\n", output_file,
                  strerror(errno));
-         spirv_to_dxil_free(data);
+         spirv_to_dxil_free(&obj);
          free(file_contents);
          return 1;
       }
 
-      fwrite(data, sizeof(char), size, file);
+      fwrite(obj.binary.buffer, sizeof(char), obj.binary.size, file);
       fclose(file);
-      spirv_to_dxil_free(data);
+      spirv_to_dxil_free(&obj);
    } else {
       fprintf(stderr, "Compilation failed\n");
       return 1;