diff --git a/deploy/deploy.sh b/deploy/deploy.sh
index 611f5d2..2c82dfd 100755
--- a/deploy/deploy.sh
+++ b/deploy/deploy.sh
@@ -12,13 +12,13 @@ DIR=$(cd "$(dirname "$(readlink -f "$0")")" && pwd)
 DEV_DIR="$(realpath "$DIR/../")"
 STAGING_DIR="$HOME/staging"
 PROD_DIR="$HOME/www"
-PHP=/usr/bin/php
+PHP="$(which php)"
 REPO_URI=$(cat "$DEV_DIR/config.yaml" | grep ^git_repo | head -1 | awk '{print $2}')
 
 git push origin master
 
 [ -d "$STAGING_DIR" ] || mkdir "$STAGING_DIR"
-pushd "$STAGING_DIR"
+cd "$STAGING_DIR"
 
 if [ ! -d .git ]; then
     git init
@@ -42,7 +42,7 @@ cp "$DEV_DIR/config.yaml" .
 "$DIR"/build_css.sh -i "$DEV_DIR/htdocs/scss" -o "$STAGING_DIR/htdocs/dist-css" || die "build_css failed"
 $PHP "$DIR"/gen_static_config.php -i "$STAGING_DIR/htdocs" > "$STAGING_DIR/config-static.php" || die "gen_static_config failed"
 
-popd
+cd "$DIR"
 
 # copy staging to prod
 rsync -a --delete --delete-excluded --info=progress2 "$STAGING_DIR/" "$PROD_DIR/" \