diff --git a/firmware/target/hosted/system-hosted.c b/firmware/target/hosted/system-hosted.c
index ce47fd5f5c..c4ae5a404f 100644
--- a/firmware/target/hosted/system-hosted.c
+++ b/firmware/target/hosted/system-hosted.c
@@ -90,6 +90,7 @@ static void sig_handler(int sig, siginfo_t *siginfo, void *context)
 void power_off(void)
 {
     backlight_hw_off();
+    sync();
     system("/sbin/poweroff");
     while (1);       /* halt */
 }