diff --git a/build.sh b/build.sh
index 379d75c5..8985ac9a 100755
--- a/build.sh
+++ b/build.sh
@@ -4,7 +4,7 @@ set -u
 IMAGE_NAME="zyxel-openwrt-builder"
 CONTAINER_NAME="openwrt-builder-container"
 OPENWRT_DIR="/home/builder/openwrt"
-FIRMWARE_PATH="${OPENWRT_DIR}/bin/brcm963xx/zyxel/ras.bin"
+FIRMWARE_PATH="${OPENWRT_DIR}/bin/brcm963xx-glibc/zyxel/ras.bin"
 
 echo "Building Docker image ${IMAGE_NAME}..."
 docker build --platform linux/amd64 -t "${IMAGE_NAME}" .