diff --git a/tests/runtime/http_client_chunked.c b/tests/runtime/http_client_chunked.c
index e2687692ac6..9030e64545c 100644
--- a/tests/runtime/http_client_chunked.c
+++ b/tests/runtime/http_client_chunked.c
@@ -14,6 +14,7 @@
 #include <fluent-bit/flb_socket.h>
 #include <fluent-bit/flb_upstream.h>
 #include <fluent-bit/flb_engine.h>
+#include <fluent-bit/flb_coro.h>
 #include <fluent-bit/flb_http_client.h>
 
 #include <monkey/mk_core.h>
@@ -151,6 +152,7 @@ static void *chunked_server_thread(void *data)
 static struct runtime_http_client_ctx *runtime_http_client_ctx_create(int port)
 {
     struct runtime_http_client_ctx *ctx;
+    static int coro_initialized = FLB_FALSE;
 
     ctx = flb_calloc(1, sizeof(struct runtime_http_client_ctx));
     if (!TEST_CHECK(ctx != NULL)) {
@@ -167,6 +169,12 @@ static struct runtime_http_client_ctx *runtime_http_client_ctx_create(int port)
     flb_engine_evl_init();
     flb_engine_evl_set(ctx->evl);
 
+    if (coro_initialized == FLB_FALSE) {
+        flb_coro_init();
+        coro_initialized = FLB_TRUE;
+    }
+    flb_coro_thread_init();
+
     ctx->config = flb_config_init();
     if (!TEST_CHECK(ctx->config != NULL)) {
         mk_event_loop_destroy(ctx->evl);