diff --git a/src/mono/mono/component/debugger-agent.c b/src/mono/mono/component/debugger-agent.c
index 4503c078a6f13a..10a387f39bf68f 100644
--- a/src/mono/mono/component/debugger-agent.c
+++ b/src/mono/mono/component/debugger-agent.c
@@ -1609,7 +1609,11 @@ mono_init_debugger_agent_for_wasm (int log_level_parm, MonoProfilerHandle *prof)
 	event_requests = g_ptr_array_new ();
 	vm_start_event_sent = TRUE;
 	transport = &transports [0];
+
 	memset(&debugger_wasm_thread, 0, sizeof(DebuggerTlsData));
+	mono_native_tls_alloc (&debugger_tls_id, NULL);
+	mono_native_tls_set_value (debugger_tls_id, &debugger_wasm_thread);
+
 	agent_config.enabled = TRUE;
 
 	mono_profiler_set_jit_done_callback (*prof, jit_done);