diff --git a/fpga_test.sh b/fpga_test.sh
index f7bc751..abcfe7a 100755
--- a/fpga_test.sh
+++ b/fpga_test.sh
@@ -85,7 +85,7 @@
   usage
 fi
 
-FPGA_BOARD_ID="$(printf '%02d' $1)"
+FPGA_BOARD_ID="${1}"
 ARGS+=(--variable "FPGA_BOARD_ID:${FPGA_BOARD_ID}")
 shift
 TEST_SUITE="$1"