diff --git a/digistump-avr/libraries/DigisparkKeyboard/DigiKeyboard.h b/digistump-avr/libraries/DigisparkKeyboard/DigiKeyboard.h
index f5678fb..14a1315 100644
--- a/digistump-avr/libraries/DigisparkKeyboard/DigiKeyboard.h
+++ b/digistump-avr/libraries/DigisparkKeyboard/DigiKeyboard.h
@@ -110,7 +110,9 @@ const PROGMEM char usbHidReportDescriptor[USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH]
 #define KEY_0       39
 
 #define KEY_ENTER   40
-
+#define KEY_ESC     41
+#define KEY_BACKSPACE 42
+#define KEY_TAB     43
 #define KEY_SPACE   44
 
 #define KEY_F1      58
@@ -126,6 +128,9 @@ const PROGMEM char usbHidReportDescriptor[USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH]
 #define KEY_F11     68
 #define KEY_F12     69
 
+#define KEY_PRT_SCR 70
+#define KEY_DELETE  76
+
 #define KEY_ARROW_UP        82
 #define KEY_ARROW_DOWN      81
 #define KEY_ARROW_LEFT      80