diff --git a/mixer.py b/mixer.py
index 1a581e7..7583495 100755
--- a/mixer.py
+++ b/mixer.py
@@ -89,7 +89,7 @@ class Mixer:
 
     def get_system_state(self):
         msg_id = self.SysExMessageId.GET_SYSTEM_STATE_REQUEST.value
-        i_pad_flag = 0x01
+        i_pad_flag = 0x00
 
         data = self.SYSEX_ALL_CALL + [msg_id, i_pad_flag]