From c54bd846b481a5e76a5b8f65931ba12ef12ff084 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juan=20Mart=C3=ADn=20Sotuyo=20Dodero?=
 <juansotuyo@gmail.com>
Date: Tue, 18 Apr 2023 20:15:48 -0300
Subject: [PATCH] Fix #4484

 - Avoid an NPE on properties.
---
 .../pmd/cli/commands/internal/TreeExportCommand.java            | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pmd-cli/src/main/java/net/sourceforge/pmd/cli/commands/internal/TreeExportCommand.java b/pmd-cli/src/main/java/net/sourceforge/pmd/cli/commands/internal/TreeExportCommand.java
index c034682f07..452d1410fd 100644
--- a/pmd-cli/src/main/java/net/sourceforge/pmd/cli/commands/internal/TreeExportCommand.java
+++ b/pmd-cli/src/main/java/net/sourceforge/pmd/cli/commands/internal/TreeExportCommand.java
@@ -75,7 +75,7 @@ public class TreeExportCommand extends AbstractPmdSubcommand {
     @Option(names = "-P", description = "Key-value pair defining a property for the report format.%n"
             + "Supported values for each report format:%n${sys:pmd-cli.tree-export.report.properties.help}",
             completionCandidates = TreeExportReportPropertiesCandidates.class)
-    private Properties properties;
+    private Properties properties = new Properties();
 
     @Option(names = "--file", description = "The file to parse and dump.")
     private Path file;