1 files changed, 3 insertions, 2 deletions
diff --git a/cont.c b/cont.c
index 7e82b84d80..b76af31850 100644
--- a/cont.c
+++ b/cont.c
@@ -179,7 +179,7 @@ fiber_context_create(ucontext_t *context, void (*func)(), void *arg, void *ptr,
 }
 #endif
 
-#if FIBER_USE_NATIVE
+#if FIBER_USE_NATIVE && !defined(_WIN32)
 #define MAX_MACHINE_STACK_CACHE  10
 static int machine_stack_cache_index = 0;
 typedef struct machine_stack_cache_struct {
@@ -1861,7 +1861,7 @@ rb_fiber_terminate(rb_fiber_t *fib, int need_interrupt)
 #elif !defined(_WIN32)
     fib->context.uc_stack.ss_sp = NULL;
 #endif
-#endif
+
 #ifdef MAX_MACHINE_STACK_CACHE
     /* Ruby must not switch to other thread until storing terminated_machine_stack */
     terminated_machine_stack.ptr = fib->ss_sp;
@@ -1870,6 +1870,7 @@ rb_fiber_terminate(rb_fiber_t *fib, int need_interrupt)
     fib->cont.machine.stack = NULL;
     fib->cont.machine.stack_size = 0;
 #endif
+#endif
 
     ret_fib = return_fiber();
     if (need_interrupt) RUBY_VM_SET_INTERRUPT(&ret_fib->cont.saved_ec);