diff --git a/compile_firmware.sh b/compile_firmware.sh
index 91eebe11..888acc4b 100755
--- a/compile_firmware.sh
+++ b/compile_firmware.sh
@@ -4,5 +4,6 @@ export EXTRA_LIVE_DATA_FILE=",../../../board_extra.yaml"
 # todo: code reuse with manual-generate-meta-data.sh?
 export META_OUTPUT_ROOT_FOLDER="../../../generated/"
 
+export AUTOMATION_REF=`git branch --show-current`
 cd ext/rusefi/firmware/
 bash bin/compile.sh ../../../meta-info.env