diff --git a/examples/T3S3Factory/T3S3Factory.ino b/examples/T3S3Factory/T3S3Factory.ino
index 94f7000..0d54ae9 100644
--- a/examples/T3S3Factory/T3S3Factory.ino
+++ b/examples/T3S3Factory/T3S3Factory.ino
@@ -227,8 +227,9 @@ void setup()
     digitalWrite(RADIO_TCXO_ENABLE, HIGH);
 #endif
 
+    const uint8_t btn_num = BUTTON_PIN;
     pinMode(BUTTON_PIN, INPUT_PULLUP);
-    button.init(BUTTON_PIN);
+    button.init(btn_num);
     ButtonConfig *buttonConfig = button.getButtonConfig();
     buttonConfig->setEventHandler(handleEvent);
     buttonConfig->setFeature(ButtonConfig::kFeatureClick);