diff --git a/pom.xml b/pom.xml
index 84cd896..23793e5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,8 +9,8 @@
     <version>1.0-SNAPSHOT</version>
 
     <properties>
-        <maven.compiler.source>25</maven.compiler.source>
-        <maven.compiler.target>25</maven.compiler.target>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
diff --git a/src/main/java/com/craftinginterpreters/lox/Lox.java b/src/main/java/com/craftinginterpreters/lox/Lox.java
index a9ae249..1004886 100644
--- a/src/main/java/com/craftinginterpreters/lox/Lox.java
+++ b/src/main/java/com/craftinginterpreters/lox/Lox.java
@@ -13,7 +13,7 @@ import java.util.List;
 public class Lox {
     private static boolean hadError = false;
 
-    static void main(String[] args) throws IOException {
+    public static void main(String[] args) throws IOException {
         if (args.length > 1){
             System.exit(64);
         }
diff --git a/src/main/java/com/craftinginterpreters/lox/Scanner.java b/src/main/java/com/craftinginterpreters/lox/Scanner.java
index 3feaf58..33c7ab3 100644
--- a/src/main/java/com/craftinginterpreters/lox/Scanner.java
+++ b/src/main/java/com/craftinginterpreters/lox/Scanner.java
@@ -107,7 +107,6 @@ class Scanner {
                 } else {
                     Lox.error(line, "Unexpected character.");
                 }
-                Lox.error(line, "Unexpected character.");
                 break;
         }
     }