1 files changed, 7 insertions, 2 deletions
diff --git a/extmod/network_cyw43.c b/extmod/network_cyw43.c
index 834f09eae9..f8490d6b9a 100644
--- a/extmod/network_cyw43.c
+++ b/extmod/network_cyw43.c
@@ -222,8 +222,13 @@ STATIC mp_obj_t network_cyw43_scan(size_t n_args, const mp_obj_t *pos_args, mp_m
 
     // Wait for scan to finish, with a 10s timeout
     uint32_t start = mp_hal_ticks_ms();
-    while (cyw43_wifi_scan_active(self->cyw) && mp_hal_ticks_ms() - start < 10000) {
-        MICROPY_EVENT_POLL_HOOK
+    const uint32_t TIMEOUT = 10000;
+    while (cyw43_wifi_scan_active(self->cyw)) {
+        uint32_t elapsed = mp_hal_ticks_ms() - start;
+        if (elapsed >= TIMEOUT) {
+            break;
+        }
+        mp_event_wait_ms(TIMEOUT - elapsed);
     }
 
     return res;