diff --git a/mark b/mark
index a4d4458..6bb09be 100755
--- a/mark
+++ b/mark
@@ -1,20 +1,21 @@
 #!/usr/bin/env bash
 
 source ~/.markrc
+[[ -d "$base_path" ]] || mkdir -p "$base_path"
 today=$(date +%Y-%m-%d\ %H:%M:%S)
-file_path=$base_path/$(date +%Y-%m).txt
+file_path="$base_path/$(date +%Y-%m).txt"
 login_message="$username $today $login_message"
 logout_message="$username $today $logout_message"
 
 # Login if it is the first message of the day
-if [[ -f $file_path ]]; then
+if [[ -f "$file_path" ]]; then
   last_line=$(tail -n1 $file_path)
   last_day=$(echo $last_line | sed 's/[^ ]* [^-]*-[^-]*-\([^ ]*\).*/\1/')
   if [[ $last_day != $(date +%d) ]]; then
-    echo $login_message >> $file_path
+    echo $login_message >> "$file_path"
   fi
 else
-    echo $login_message >> $file_path
+    echo $login_message >> "$file_path"
 fi
 
 case "$*" in