diff --git a/src/beep.c b/src/beep.c
index 8a4ca55..c70d2de 100644
--- a/src/beep.c
+++ b/src/beep.c
@@ -152,6 +152,12 @@ int beep_init()
 	return 0;
 }
 
+int beep_close()
+{
+	buzzer_stop();
+	return 0;
+}
+
 
 int beep_test(void)
 {
diff --git a/src/beep.h b/src/beep.h
index 818b897..895a11c 100644
--- a/src/beep.h
+++ b/src/beep.h
@@ -36,3 +36,4 @@ int beep_test(void);
 // compatibility to old interface
 int beep(double freq_hz, double duration_sec);
 int beep_init();
+int beep_close();