diff --git a/asterix-maven-plugins/lexer-generator-maven-plugin/src/main/resources/LexerException.java b/asterix-maven-plugins/lexer-generator-maven-plugin/src/main/resources/LexerException.java
index 9030eb2..2701319 100644
--- a/asterix-maven-plugins/lexer-generator-maven-plugin/src/main/resources/LexerException.java
+++ b/asterix-maven-plugins/lexer-generator-maven-plugin/src/main/resources/LexerException.java
@@ -18,7 +18,7 @@
  */
 package [PACKAGE];
 
-public class [LEXER_NAME]Exception extends Exception {
+public class [LEXER_NAME]Exception extends [EXCEPTION_SUPER_CLASS] {
 
     public [LEXER_NAME]Exception(String message) {
         super(message);
diff --git a/asterix-maven-plugins/lexer-generator-maven-plugin/src/main/resources/default.config b/asterix-maven-plugins/lexer-generator-maven-plugin/src/main/resources/default.config
index 63e0dd3..03a98dd 100644
--- a/asterix-maven-plugins/lexer-generator-maven-plugin/src/main/resources/default.config
+++ b/asterix-maven-plugins/lexer-generator-maven-plugin/src/main/resources/default.config
@@ -20,9 +20,10 @@
 # Place *first* the generic configuration
 # then list your grammar.
 
-PACKAGE:          com.my.lexer
-LEXER_NAME:       MyLexer
-OUTPUT_DIR:       output
+PACKAGE:               com.my.lexer
+LEXER_NAME:            MyLexer
+EXCEPTION_SUPER_CLASS: java.io.IOException
+OUTPUT_DIR:            output
 
 TOKENS: