diff --git a/src/main.cpp b/src/main.cpp
index e131961..e7ea172 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -114,9 +114,15 @@ int main(int argc, char *argv[]) {
 
 	while (1) {
 
+		memset(hid_buf, 0, sizeof(uint8_t) * Dox.packet_size);
+
 		if (Dox.is_connected()) {
 			if (std::chrono::steady_clock::now() > t + std::chrono::milliseconds(30)) {
 				if (Dox.get_animation_mode() == 0x02) {
+
+					// Animation data type
+					hid_buf[1] = CMD_ANIM_DATA_fft;
+
 					if (std::chrono::steady_clock::now() > last_fifo_sync + std::chrono::seconds(10)) {
 						mpd_run_disable_output(conn, 1);
 						mpd_run_enable_output(conn, 1);
@@ -136,7 +142,7 @@ int main(int argc, char *argv[]) {
 						h = h>KB_RESOLUTION ? KB_RESOLUTION : h;
 						h = h<0 ? 0 : h;
 
-						hid_buf[i] = h;
+						hid_buf[i + 1] = h;
 					}
 					Dox.write(CMD_ANIM_DATA, hid_buf, Dox.packet_size);
 				}