diff --git a/boehmgc-coroutine-sp-fallback.diff b/boehmgc-coroutine-sp-fallback.diff
index 8fdafbecb..23fbcfc70 100644
--- a/boehmgc-coroutine-sp-fallback.diff
+++ b/boehmgc-coroutine-sp-fallback.diff
@@ -34,15 +34,13 @@ diff --git a/pthread_stop_world.c b/pthread_stop_world.c
 index 4b2c429..1fb4c52 100644
 --- a/pthread_stop_world.c
 +++ b/pthread_stop_world.c
-@@ -673,6 +673,8 @@ GC_INNER void GC_push_all_stacks(void)
-     struct GC_traced_stack_sect_s *traced_stack_sect;
+@@ -781,4 +781,6 @@ GC_INNER void GC_push_all_stacks(void)
      pthread_t self = pthread_self();
      word total_size = 0;
 +    size_t stack_limit;
 +    pthread_attr_t pattr;
  
      if (!EXPECT(GC_thr_initialized, TRUE))
-       GC_thr_init();
 @@ -722,6 +724,31 @@ GC_INNER void GC_push_all_stacks(void)
            hi = p->altstack + p->altstack_size;
            /* FIXME: Need to scan the normal stack too, but how ? */