diff --git a/_scripts/sh/sync_monitor.sh b/_scripts/sh/sync_monitor.sh
index fa74896..ae4b895 100644
--- a/_scripts/sh/sync_monitor.sh
+++ b/_scripts/sh/sync_monitor.sh
@@ -15,7 +15,7 @@ if [[ ! -f "$1" ]]; then
   exit 0
 fi
 
-src_dir="$(dirname $(realpath "$1"))"
+src_dir="$(dirname "$(realpath "$1")")"
 
 dir_prefix="$(realpath "$2")/"
 
diff --git a/tools/build.sh b/tools/build.sh
index db9ff0c..a05712c 100755
--- a/tools/build.sh
+++ b/tools/build.sh
@@ -10,7 +10,7 @@ set -eu
 
 CMD="JEKYLL_ENV=production bundle exec jekyll b"
 
-WORK_DIR="$(dirname $(dirname $(realpath "$0")))"
+WORK_DIR="$(dirname "$(dirname "$(realpath "$0")")")"
 
 CONTAINER="${WORK_DIR}/.container"
 
diff --git a/tools/publish.sh b/tools/publish.sh
index 755d0ae..84bad21 100755
--- a/tools/publish.sh
+++ b/tools/publish.sh
@@ -13,7 +13,8 @@ CATEGORIES=false
 TAGS=false
 LASTMOD=false
 
-WORK_DIR="$(dirname $(dirname $(realpath "$0")))"
+WORK_DIR="$(dirname "$(dirname "$(realpath "$0")")")"
+
 
 check_status() {
   local _change=$(git status . -s)
diff --git a/tools/pv.sh b/tools/pv.sh
index 19a9b92..e26ba10 100755
--- a/tools/pv.sh
+++ b/tools/pv.sh
@@ -15,7 +15,7 @@
 
 set -eu
 
-WORK_DIR="$(dirname $(dirname $(realpath "$0")))"
+WORK_DIR="$(dirname "$(dirname "$(realpath "$0")")")"
 URL_FILE="${WORK_DIR}/_config.yml"
 PV_CACHE="${WORK_DIR}/assets/js/data/pageviews.json"
 
@@ -23,4 +23,4 @@ PROXY_URL="$(grep "proxy_endpoint:" "$URL_FILE" | sed "s/.*: '//g;s/'.*//")"
 
 wget "$PROXY_URL" -O "$PV_CACHE"
 
-echo "ls $PV_CACHE"
\ No newline at end of file
+echo "ls $PV_CACHE"
diff --git a/tools/run.sh b/tools/run.sh
index f7796d8..471fe04 100755
--- a/tools/run.sh
+++ b/tools/run.sh
@@ -12,7 +12,7 @@
 
 set -eu
 
-WORK_DIR=$(dirname $(dirname $(realpath "$0")))
+WORK_DIR="$(dirname "$(dirname "$(realpath "$0")")")"
 
 CONTAINER=.container
 SYNC_TOOL=_scripts/sh/sync_monitor.sh