diff --git a/src/teachy_tv.c b/src/teachy_tv.c
index ae1e8086a..843d229ce 100644
--- a/src/teachy_tv.c
+++ b/src/teachy_tv.c
@@ -36,7 +36,7 @@
 
 struct TeachyTvCtrlBlk
 {
-    void (*callback)();
+    MainCallback callback;
     u8 mode;
     u8 optionChosen;
     u16 scrollOffset;