diff --git a/include/fluent-bit/flb_coro.h b/include/fluent-bit/flb_coro.h
index 987a2164175..c00781135f7 100644
--- a/include/fluent-bit/flb_coro.h
+++ b/include/fluent-bit/flb_coro.h
@@ -91,6 +91,8 @@ static FLB_INLINE void flb_coro_destroy(struct flb_coro *coro)
 #define flb_coro_return(th) co_switch(th->caller)
 
 void flb_coro_init();
+void flb_coro_thread_init();
+
 struct flb_coro *flb_coro_get();
 void flb_coro_set(struct flb_coro *coro);
 
diff --git a/src/flb_coro.c b/src/flb_coro.c
index fa887c53ecc..06bc865e979 100644
--- a/src/flb_coro.c
+++ b/src/flb_coro.c
@@ -24,9 +24,23 @@
 
 FLB_TLS_DEFINE(struct flb_coro, flb_coro_key);
 
+static pthread_mutex_t coro_mutex_init;
+
 void flb_coro_init()
 {
     FLB_TLS_INIT(flb_coro_key);
+    pthread_mutex_init(&coro_mutex_init, NULL);
+}
+
+void flb_coro_thread_init()
+{
+    size_t s;
+    cothread_t th;
+
+    pthread_mutex_lock(&coro_mutex_init);
+    th = co_create(256, NULL, &s);
+    co_delete(th);
+    pthread_mutex_unlock(&coro_mutex_init);
 }
 
 struct flb_coro *flb_coro_get()