diff --git a/chrome/content/zotero/itemTreeColumns.jsx b/chrome/content/zotero/itemTreeColumns.jsx
index 20c185eece..850f9266ed 100644
--- a/chrome/content/zotero/itemTreeColumns.jsx
+++ b/chrome/content/zotero/itemTreeColumns.jsx
@@ -320,6 +320,15 @@ const COLUMNS = [
 		flex: 2,
 		zoteroPersist: ["width", "hidden", "sortDirection"]
 	},
+	{
+		dataKey: "citationKey",
+		disabledIn: ["feeds", "feed"],
+		showInColumnPicker: true,
+		columnPickerSubMenu: true,
+		label: "itemFields.citationKey",
+		flex: 1,
+		zoteroPersist: ["width", "hidden", "sortDirection"]
+	},
 	{
 		dataKey: "extra",
 		disabledIn: ["feeds", "feed"],