diff --git a/src/AST/PrintVisitor.cpp b/src/AST/PrintVisitor.cpp
index be6bd01..17e23dd 100644
--- a/src/AST/PrintVisitor.cpp
+++ b/src/AST/PrintVisitor.cpp
@@ -147,7 +147,9 @@ void PrintVisitor::visit(RandomIfStatement* e) {
 void PrintVisitor::visit(ReturnStatement* e) {
 	println("ReturnStatement");
 	level_++;
-	e->getExpr()->accept(this);
+	if (e->getExpr() != 0) {
+		e->getExpr()->accept(this);
+	}
 	level_--;
 }