diff --git a/java/src/processing/mode/java/pdex/PDEX.java b/java/src/processing/mode/java/pdex/PDEX.java
index c769ac0bc..b74a422ab 100644
--- a/java/src/processing/mode/java/pdex/PDEX.java
+++ b/java/src/processing/mode/java/pdex/PDEX.java
@@ -310,7 +310,7 @@ public class PDEX {
     final JTree tree;
 
     final JavaEditor editor;
-//    final PreprocessingService pps;
+    final PreprocessingService pps;
 
     final Consumer<PreprocessedSketch> reloadListener;
 
@@ -319,7 +319,7 @@ public class PDEX {
 
     ShowUsage(JavaEditor editor, PreprocessingService pps) {
       this.editor = editor;
-//      this.pps = pps;
+      this.pps = pps;
 
       // Add show usage option
       JMenuItem showUsageItem = new JMenuItem(Language.text("editor.popup.show_usage"));