diff --git a/main.cjs b/main.cjs
index bab65e3..68b97d7 100644
--- a/main.cjs
+++ b/main.cjs
@@ -193,7 +193,7 @@ function getMatchingPhrase(inputString, targetCharacter) {
 	}
 	checkLoop(checkString);
 	console.log(checkString);
-	checkString.replace(/[^a-zA-Z0-9]/g, '');
+	checkString = checkString.replace(/[^a-zA-Z0-9]/g, '');
 	console.log(checkString);
 	checkLoop(checkString);
   }