diff --git a/src/co/hook.h b/src/co/hook.h
index c0cd597aa..ff771ec6f 100644
--- a/src/co/hook.h
+++ b/src/co/hook.h
@@ -21,6 +21,13 @@ void hook_sleep(bool x);
 #define __sys_api(x)        _sys_##x
 #define _CO_DEC_SYS_API(x)  extern x##_fp_t __sys_api(x)
 
+struct HookInitializer {
+    HookInitializer();
+    ~HookInitializer();
+};
+
+static HookInitializer g_hook_initializer;
+
 #ifdef _WIN32
 #include <WinSock2.h>
 #include <ws2tcpip.h> // for inet_ntop...
@@ -116,13 +123,6 @@ _CO_DEC_SYS_API(GetQueuedCompletionStatusEx);
 
 #define _CO_DEF_SYS_API(x)  x##_fp_t __sys_api(x) = 0
 
-struct HookInitializer {
-    HookInitializer();
-    ~HookInitializer();
-};
-
-static HookInitializer g_hook_initializer;
-
 namespace co {
 
 // deduce type of the second parameter of ioctl
diff --git a/src/co/hook_win.cc b/src/co/hook_win.cc
index 9f7b35a28..2fd28f31a 100644
--- a/src/co/hook_win.cc
+++ b/src/co/hook_win.cc
@@ -1375,7 +1375,6 @@ inline void detour_detach(PVOID* ppbReal, PVOID pbMine, PCHAR psz) {
 
 // it will be called at initialization of coroutine schedulers
 void init_hook() {
-    g_hook = co::_make_static<co::Hook>();
     __sys_api(WSARecvMsg) = get_WSARecvMsg_fp();
     __sys_api(WSASendMsg) = get_WSASendMsg_fp();
 
@@ -1458,6 +1457,15 @@ void hook_sleep(bool x) {
 
 } // co
 
+static int g_nifty_counter;
+HookInitializer::HookInitializer() {
+    if (g_nifty_counter++ == 0) {
+        g_hook = co::_make_static<co::Hook>();
+    }
+}
+
+HookInitializer::~HookInitializer() {}
+
 #undef attach_hook
 #undef detach_hook
 #undef do_hard_hook