diff --git a/app/common.c b/app/common.c
index 2686bbd..c64d268 100644
--- a/app/common.c
+++ b/app/common.c
@@ -1,3 +1,4 @@
+#include "audio.h"
 #include "functions.h"
 #include "misc.h"
 #include "settings.h"