1 files changed, 2 insertions, 0 deletions
diff --git a/javaparser-core-generators/src/main/java/com/github/javaparser/generator/core/visitor/HashCodeVisitorGenerator.java b/javaparser-core-generators/src/main/java/com/github/javaparser/generator/core/visitor/HashCodeVisitorGenerator.java
index ad4827db5..554dc8d9d 100644
--- a/javaparser-core-generators/src/main/java/com/github/javaparser/generator/core/visitor/HashCodeVisitorGenerator.java
+++ b/javaparser-core-generators/src/main/java/com/github/javaparser/generator/core/visitor/HashCodeVisitorGenerator.java
@@ -23,6 +23,8 @@ public class HashCodeVisitorGenerator extends VisitorGenerator {
 
     @Override
     protected void generateVisitMethodBody(BaseNodeMetaModel node, MethodDeclaration visitMethod, CompilationUnit compilationUnit) {
+        visitMethod.getParameters().forEach(p -> p.setFinal(true));
+
         final BlockStmt body = visitMethod.getBody().get();
         body.getStatements().clear();