diff --git a/src/main.rs b/src/main.rs
index 67e181c..d9d77f8 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -531,6 +531,8 @@ fn handle_frame(frame: esp_radio::wifi::sniffer::PromiscuousPkt<'_>) {
             .naive_utc()
     };
 
+    esp_println::print!("."); // TODO: debug only!
+
     match esp32_cits_core::rx::is_broadcast_frame(&frame) {
         Err(err) => {
             warn!("{err}");