diff --git a/src/main/java/org/sablecc/sablecc/lexer/LexerException.java b/src/main/java/org/sablecc/sablecc/lexer/LexerException.java
index dc2e2541e7792ec4ef40f79dbdd7ae5ce45e0cbb..0ba02b43df51105e2259aefc8b2eef48eb5525c5 100644
--- a/src/main/java/org/sablecc/sablecc/lexer/LexerException.java
+++ b/src/main/java/org/sablecc/sablecc/lexer/LexerException.java
@@ -2,7 +2,7 @@
 
 package org.sablecc.sablecc.lexer;
 
-@SuppressWarnings({"serial"})
+@SuppressWarnings("serial")
 public class LexerException extends Exception
 {
     private final int line;
diff --git a/src/main/resources/org/sablecc/sablecc/lexer.txt b/src/main/resources/org/sablecc/sablecc/lexer.txt
index eede12a0c731ccae2c72126b558aaae6bf11060f..c74200908f72bef26a40363bafbcb04ffe4c6ff1 100644
--- a/src/main/resources/org/sablecc/sablecc/lexer.txt
+++ b/src/main/resources/org/sablecc/sablecc/lexer.txt
@@ -10,7 +10,7 @@ Macro:LexerException
 
 package $0$lexer;
 
-@SuppressWarnings({"serial"})
+@SuppressWarnings("serial")
 public class LexerException extends Exception
 {
     private final int line;