diff --git a/src/rx/mod.rs b/src/rx/mod.rs
index e957230..890c3ec 100644
--- a/src/rx/mod.rs
+++ b/src/rx/mod.rs
@@ -4,6 +4,7 @@
 ///
 /// # Errors
 /// Returns a human-readable string, if data contains unexpected values
+#[cfg(feature = "esp32c5")]
 pub fn is_broadcast_frame(
     frame: &esp_radio::wifi::sniffer::PromiscuousPkt<'_>,
 ) -> Result<bool, alloc::string::String> {