diff --git a/.github/workflows/hardware-ci.yaml b/.github/workflows/hardware-ci.yaml
index a50cf87978..a3c3bce114 100644
--- a/.github/workflows/hardware-ci.yaml
+++ b/.github/workflows/hardware-ci.yaml
@@ -8,18 +8,17 @@ jobs:
       # Let all builds finish even if one fails early
       fail-fast: false
       matrix:
-#        build-target: [f407-discovery, proteus_f4]
-        build-target: [proteus_f4]
+        build-target: [f407-discovery, proteus_f4]
 
         include:
-#          - build-target: f407-discovery
-#            script: hardware_ci_f4_discovery
-#            runs-on: hw-ci-f4-discovery
-#            folder: f407-discovery
-#            config-name: all
-#            ini-file: rusefi_f4-disco.ini
-#            openocd-script: ../.github/workflows/openocd_ci_f4_discovery.cfg
-#            serial-device: /dev/serial/by-id/TODO
+          - build-target: f407-discovery
+            script: hardware_ci_f4_discovery
+            runs-on: hw-ci-f4-discovery
+            folder: f407-discovery
+            config-name: all
+            ini-file: rusefi_f4-disco.ini
+            openocd-script: ../.github/workflows/openocd_ci_f4_discovery.cfg
+            serial-device: /dev/serial/by-id/usb-rusEFI_LLC_rusEFI_Engine_Management_ECU_2B003B000A51343033393930-if01
 
           - build-target: proteus_f4
             script: hardware_ci_proteus
diff --git a/.github/workflows/openocd_ci_f4_discovery.cfg b/.github/workflows/openocd_ci_f4_discovery.cfg
index 1fe66a4c70..54f042df58 100644
--- a/.github/workflows/openocd_ci_f4_discovery.cfg
+++ b/.github/workflows/openocd_ci_f4_discovery.cfg
@@ -1,6 +1,6 @@
 # Openocd script for STM32F4 Discovery Hardware CI
 source [find interface/stlink.cfg]
-hla_serial wrong_serial
+hla_serial H?ugeVQ2Sg
 
 transport select hla_swd