diff --git a/src/Matcher.php b/src/Matcher.php
index ac63b62..0d53745 100644
--- a/src/Matcher.php
+++ b/src/Matcher.php
@@ -7,6 +7,8 @@ use Illuminate\Support\LazyCollection;
 
 class Matcher
 {
+    private const DICTIONARY = __DIR__ . '/../assets/words.txt';
+
     public static function findWords(string $anagram, int $minLength = 3): Collection
     {
         $matches = self::getWordList()
@@ -38,7 +40,7 @@ class Matcher
     private static function getWordList(): LazyCollection
     {
         return LazyCollection::make(function () {
-            $fh = fopen(DICTIONARY, 'rb');
+            $fh = fopen(self::DICTIONARY, 'rb');
             try {
                 while (($line = fgets($fh)) !== false) {
                     yield rtrim($line, "\r\n");