diff --git a/.env b/.env
index ec2cdf69..e48a5fec 100644
--- a/.env
+++ b/.env
@@ -2,10 +2,7 @@
 #
 # SPDX-License-Identifier: CC0-1.0
 
-# Load-bearing useless command, for bash. I have *no* idea why, but evaluating
-# $@ is necessary for the rest to work.
-
-repo_dir=$(pwd)
-export PROJ_PATH=$repo_dir
-export IDF_PATH=$repo_dir/lib/esp-idf
-. $IDF_PATH/export.sh
+repo_dir="$(pwd)"
+export PROJ_PATH="$repo_dir"
+export IDF_PATH="$repo_dir/lib/esp-idf"
+. "$IDF_PATH/export.sh"