diff --git a/port/zephyr/env.sh b/port/zephyr/env.sh
index ac6547628..da3141119 100644
--- a/port/zephyr/env.sh
+++ b/port/zephyr/env.sh
@@ -1,4 +1,4 @@
-ZEPHYR_ROOT=<needs to be set>
+ZEPHYR_ROOT=~/zephyrproject
 
 source ${ZEPHYR_ROOT}/.venv/bin/activate
 source ${ZEPHYR_ROOT}/zephyr/zephyr-env.sh