diff --git a/examples/embed/host.c b/examples/embed/host.c
index 61c207c..e726fac 100644
--- a/examples/embed/host.c
+++ b/examples/embed/host.c
@@ -20,10 +20,14 @@ MAIN() {
   wasm_exec_env_t exec_env;
 
   /* initialize the wasm runtime */
+  static char global_heap_buf[HEAP_SIZE];
   RuntimeInitArgs init_args;
-  memset(&init_args, 0, sizeof(init_args));
+  memset(&init_args, 0, sizeof(RuntimeInitArgs));
 
-  init_args.mem_alloc_type = Alloc_With_System_Allocator;
+  init_args.mem_alloc_type = Alloc_With_Pool;
+  init_args.mem_alloc_option.pool.heap_buf = global_heap_buf;
+  init_args.mem_alloc_option.pool.heap_size = sizeof(global_heap_buf);
+  init_args.max_thread_num = 1;
   if (!wasm_runtime_full_init(&init_args)) {
     return;
   }