diff --git a/Tusker/Screens/Utilities/MultiColumnNavigationController.swift b/Tusker/Screens/Utilities/MultiColumnNavigationController.swift
index 0f07f24b..e1537c8d 100644
--- a/Tusker/Screens/Utilities/MultiColumnNavigationController.swift
+++ b/Tusker/Screens/Utilities/MultiColumnNavigationController.swift
@@ -273,12 +273,17 @@ private class ColumnView: UIView {
     }
     
     private func installCloseBarButton(navigationItem: UINavigationItem) {
-        let item = UIBarButtonItem(image: UIImage(systemName: "xmark"), style: .done, target: self, action: #selector(closeNavigationColumn))
-        item.accessibilityLabel = "Close Column"
-        if navigationItem.leftBarButtonItems != nil {
-            navigationItem.leftBarButtonItems!.insert(item, at: 0)
+        func makeItem() -> UIBarButtonItem {
+            let item = UIBarButtonItem(image: UIImage(systemName: "xmark"), style: .done, target: self, action: #selector(closeNavigationColumn))
+            item.accessibilityLabel = "Close Column"
+            return item
+        }
+        if let leftItems = navigationItem.leftBarButtonItems {
+            if !leftItems.contains(where: { $0.action == #selector(closeNavigationColumn) }) {
+                navigationItem.leftBarButtonItems!.insert(makeItem(), at: 0)
+            }
         } else {
-            navigationItem.leftBarButtonItems = [item]
+            navigationItem.leftBarButtonItems = [makeItem()]
         }
     }