diff --git a/src/Bluejay.asm b/src/Bluejay.asm
index bf3c301..948ac1c 100644
--- a/src/Bluejay.asm
+++ b/src/Bluejay.asm
@@ -355,7 +355,7 @@ Temp_Storage: DS 48                     ; Temporary storage (internal memory)
 ;**** **** **** **** **** **** **** **** **** **** **** **** ****
 CSEG AT CSEG_EEPROM
 EEPROM_FW_MAIN_REVISION EQU 0           ; Main revision of the firmware
-EEPROM_FW_SUB_REVISION EQU 21           ; Sub revision of the firmware
+EEPROM_FW_SUB_REVISION EQU 20           ; Sub revision of the firmware
 EEPROM_LAYOUT_REVISION EQU 207          ; Revision of the EEPROM layout
 EEPROM_B2_PARAMETERS_COUNT EQU 28       ; Number of parameters