diff --git a/.github/workflows/build-firmware.yaml b/.github/workflows/build-firmware.yaml
index f441c6f482..9b4567801b 100644
--- a/.github/workflows/build-firmware.yaml
+++ b/.github/workflows/build-firmware.yaml
@@ -15,7 +15,7 @@ jobs:
         #
         # see also gen_config where we have a similar list for all boards!
         #
-        build-target: [hellen72, hellenNA6, hellen128, hellen121vag, hellen121nissan, cypress, frankenso_na6, kinetis, mre_f4, mre_f4_recovery, mre_f4_hardware_QC_special_build, mre_f7, prometheus_405, prometheus_469, proteus_f4, proteus_f4_hardware_QC_special_build, proteus_f7, proteus_f7_hardware_QC_special_build, proteus_h7, stm32f767_nucleo, stm32h743_nucleo, subaru_eg33_f7]
+        build-target: [hellen72, hellenNA6, hellen128, hellen121vag, hellen121nissan, cypress, frankenso_na6, kinetis, mre_f4, mre_f4_recovery, mre_f4_hardware_QC_special_build, mre_f7, prometheus_405, prometheus_469, proteus_f4, proteus_f4_hardware_QC_special_build, proteus_f7, proteus_f7_hardware_QC_special_build, proteus_h7, proteus_legacy, stm32f767_nucleo, stm32h743_nucleo, subaru_eg33_f7]
         
         include:
           # Board configurations
@@ -96,6 +96,10 @@ jobs:
             folder: proteus
             ini-file: rusefi_proteus_h7.ini
 
+          - build-target: proteus_legacy
+            folder: proteus
+            ini-file: rusefi_proteus_f7.ini
+
           - build-target: stm32f767_nucleo
             folder: nucleo_f767
             ini-file: no
diff --git a/firmware/config/boards/proteus/board.mk b/firmware/config/boards/proteus/board.mk
index 1cce4af128..54bedbdbaa 100644
--- a/firmware/config/boards/proteus/board.mk
+++ b/firmware/config/boards/proteus/board.mk
@@ -4,11 +4,6 @@ BOARDCPPSRC =  $(PROJECT_DIR)/config/boards/proteus/board_configuration.cpp \
 
 BOARDINC = $(PROJECT_DIR)/config/boards/proteus
 
-# Target processor details
-ifeq ($(PROJECT_CPU),ARCH_STM32F7)
-  PROTEUS_LEGACY = TRUE
-endif
-
 ifeq ($(PROJECT_CPU),ARCH_STM32F4)
   IS_STM32F429 = yes
 endif
diff --git a/firmware/config/boards/proteus/compile_proteus_legacy.sh b/firmware/config/boards/proteus/compile_proteus_legacy.sh
new file mode 100644
index 0000000000..8ac79ddeea
--- /dev/null
+++ b/firmware/config/boards/proteus/compile_proteus_legacy.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+# Use this script for Proteus v0.1/0.2 (boards where vbat was on ADC3)
+
+export PROJECT_BOARD=proteus
+export PROJECT_CPU=ARCH_STM32F7
+export EXTRA_PARAMS=-DSHORT_BOARD_NAME=proteus_legacy
+export PROTEUS_LEGACY=TRUE
+
+bash ../common_make.sh