diff --git a/src/kaleidoscope/key_defs_sysctl.h b/src/kaleidoscope/key_defs_sysctl.h
index 4b3b6c12..ed93bb63 100644
--- a/src/kaleidoscope/key_defs_sysctl.h
+++ b/src/kaleidoscope/key_defs_sysctl.h
@@ -44,7 +44,7 @@
 #define System_Break Key(HID_SYSTEM_BREAK, KEY_FLAGS | SYNTHETIC|IS_SYSCTL | HID_TYPE_OSC)
 #define System_DebuggerBreak Key(HID_SYSTEM_DEBUGGER_BREAK, KEY_FLAGS | SYNTHETIC|IS_SYSCTL | HID_TYPE_OSC)
 #define System_ApplicationBreak Key(HID_APPLICATION_BREAK, KEY_FLAGS | SYNTHETIC|IS_SYSCTL | HID_TYPE_OSC)
-#define System_ApplicationDebuggerBreak Key(HID_APPLICATION_DEBUGGER_BREAK, KEY_FLAGS | HID_TYPE_OSC)
+#define System_ApplicationDebuggerBreak Key(HID_APPLICATION_DEBUGGER_BREAK, KEY_FLAGS | SYNTHETIC|IS_SYSCTL | HID_TYPE_OSC)
 #define System_SpeakerMute Key(HID_SYSTEM_SPEAKER_MUTE, KEY_FLAGS | SYNTHETIC|IS_SYSCTL | HID_TYPE_OSC)
 #define System_Hibernate Key(HID_SYSTEM_HIBERNATE, KEY_FLAGS | SYNTHETIC|IS_SYSCTL | HID_TYPE_OSC)