diff --git a/apps/recorder/recording.c b/apps/recorder/recording.c
index 188511c1d1..868f45f07c 100644
--- a/apps/recorder/recording.c
+++ b/apps/recorder/recording.c
@@ -21,6 +21,7 @@
 
 #include <stdio.h>
 #include <stdbool.h>
+#include <stdlib.h>
 
 #include "system.h"
 #include "lcd.h"