diff --git a/firmware/gen_signature.sh b/firmware/gen_signature.sh
index d870d1034e..276fbacc3e 100755
--- a/firmware/gen_signature.sh
+++ b/firmware/gen_signature.sh
@@ -10,7 +10,9 @@ SCRIPT_NAME=$(basename "$0")
 
 cd $(dirname "$0")
 
-SIGNATURE_FILE_NAME=${META_OUTPUT_ROOT_FOLDER}tunerstudio/generated/signature_${SHORT_BOARD_NAME}.txt
+SIGNATURE_FILE_FOLDER=${META_OUTPUT_ROOT_FOLDER}tunerstudio/generated
+mkdir -p ${SIGNATURE_FILE_FOLDER}
+SIGNATURE_FILE_NAME=${SIGNATURE_FILE_FOLDER}/signature_${SHORT_BOARD_NAME}.txt
 echo "Generating signature for ${SHORT_BOARD_NAME} file $SIGNATURE_FILE_NAME"
 
 TEMP_FILE="${SIGNATURE_FILE_NAME}.temp"