diff --git a/uisimulator/x11/mpeg.c b/uisimulator/x11/mpeg.c
index b0b38bc6f6..38cdb104e5 100644
--- a/uisimulator/x11/mpeg.c
+++ b/uisimulator/x11/mpeg.c
@@ -31,3 +31,7 @@ void mpeg_bass(void)
 void mpeg_treble(void)
 {
 }
+
+void mpeg_stop(void)
+{
+}