diff --git a/packages/emnapi/src/uv/unix/async.c b/packages/emnapi/src/uv/unix/async.c
index 13e29375..fc746d99 100644
--- a/packages/emnapi/src/uv/unix/async.c
+++ b/packages/emnapi/src/uv/unix/async.c
@@ -57,7 +57,6 @@ EMNAPI_INTERNAL_EXTERN void _emnapi_next_tick(void (*callback)(void*), void* dat
 #endif
 
 #if EMNAPI_USE_PROXYING
-#include <emscripten.h>
 #include <emscripten/threading.h>
 #include <emscripten/proxying.h>
 #include <errno.h>
@@ -153,13 +152,19 @@ static void uv__async_io(uv_loop_t* loop) {
 }
 
 #if EMNAPI_USE_PROXYING
+
+#ifdef emscripten_main_browser_thread_id
+#undef emscripten_main_browser_thread_id
+#endif
+
 __attribute__((weak))
-pthread_t emscripten_main_runtime_thread_id(void) {
-#if __EMSCRIPTEN_major__ * 10000 + __EMSCRIPTEN_minor__ * 100 + __EMSCRIPTEN_tiny__ >= 30133
+pthread_t emscripten_main_browser_thread_id(void) {
   return NULL;
-#else
+}
+
+__attribute__((weak))
+pthread_t emscripten_main_runtime_thread_id(void) {
   return emscripten_main_browser_thread_id();
-#endif
 }
 #endif