diff --git a/src/rp2_common/pico_cyw43_driver/cyw43_driver.c b/src/rp2_common/pico_cyw43_driver/cyw43_driver.c
index 6a3d01ce0..c472f0bf4 100644
--- a/src/rp2_common/pico_cyw43_driver/cyw43_driver.c
+++ b/src/rp2_common/pico_cyw43_driver/cyw43_driver.c
@@ -164,6 +164,10 @@ void cyw43_thread_lock_check(void) {
 #endif
 
 void cyw43_await_background_or_timeout_us(uint32_t timeout_us) {
+    if (__get_current_exception() > 0) {
+        async_context_wait_until(cyw43_async_context, make_timeout_time_us(timeout_us));
+        return;
+    }
     async_context_wait_for_work_until(cyw43_async_context, make_timeout_time_us(timeout_us));
 }