diff --git a/chrome/content/zotero/bindings/styled-textbox.xml b/chrome/content/zotero/bindings/styled-textbox.xml
index 508d5caa81..a2b4f6e2f1 100644
--- a/chrome/content/zotero/bindings/styled-textbox.xml
+++ b/chrome/content/zotero/bindings/styled-textbox.xml
@@ -404,7 +404,10 @@
 								
 								var commandEvent = false;
 								
-								//Zotero.debug(event.type);
+								if (Zotero.Prefs.get('debugNoteEvents')) {
+									Zotero.debug(event.type);
+									Zotero.debug(event.which);
+								}
 								switch (event.type) {
 									case 'keydown':
 										// Intercept and manually trigger redo for Cmd-Shift-Z,