diff --git a/src/raspi_keyer.cpp b/src/raspi_keyer.cpp
index 8724fdc..20538f0 100644
--- a/src/raspi_keyer.cpp
+++ b/src/raspi_keyer.cpp
@@ -15,7 +15,7 @@ namespace
 extern const uint LED_PIN = PICO_DEFAULT_LED_PIN;
 extern const uint LEFT_PADDLE_PIN = 14;
 extern const uint RIGHT_PADDLE_PIN = 15;
-extern const uint BUZZER_PIN = 13;
+extern const uint BUZZER_PIN = 18;
 
 // Stuff for communicating between cores
 enum class KeyerQueueCommand