diff --git a/zet b/zet
index 7360906..74b72f6 100755
--- a/zet
+++ b/zet
@@ -4,12 +4,12 @@ set -euo pipefail
 
 EDITOR="${EDITOR:-nvim}"
 ZET_DIR="${ZET_DIR:-$HOME/Documents/zet}"
-ZET_TMP="$ZET_DIR/.zets"
+ZET_TMP_FILE="$ZET_DIR/.zets"
 
 if [[ ! -d "$ZET_DIR" ]]; then
   mkdir -p "$ZET_DIR"
   (cd "$ZET_DIR" && git init)
-  touch "$ZET_TMP"
+  touch "$ZET_TMP_FILE"
   echo "/.zets" > "$ZET_DIR/.gitignore"
   git -C "$ZET_DIR" add .
   git -C "$ZET_DIR" commit -m 'Initial commit'
@@ -137,7 +137,7 @@ new_zet() {
 
   title="$*"
   echo "= $title" > "$filename"
-  echo "$date $title" >> "$ZET_TMP"
+  echo "$date $title" >> "$ZET_TMP_FILE"
 
   "$EDITOR" "$filename"
 
@@ -150,11 +150,11 @@ run_git_command() {
 }
 
 search_zets() {
-  grep --ignore-case "$*" < "$ZET_TMP"
+  grep --ignore-case "$*" < "$ZET_TMP_FILE"
 }
 
 show_titles() {
-  cat "$ZET_TMP"
+  cat "$ZET_TMP_FILE"
 }
 
 show_zet() {
@@ -175,7 +175,7 @@ update_zet_list() {
     title=$(head -n 1 "$filename" | sed 's/^= //' | sed 's/^# //')
 
     echo "$id $title"
-  done | sort > "$ZET_TMP" &
+  done | sort > "$ZET_TMP_FILE" &
 }
 
 main "$@"