diff --git a/Resources/Localizable.xcstrings b/Resources/Localizable.xcstrings
index 83254ff5..e3ae7a7e 100644
--- a/Resources/Localizable.xcstrings
+++ b/Resources/Localizable.xcstrings
@@ -29616,6 +29616,23 @@
         }
       }
     },
+    "dialog.closeTab.messageNamed": {
+      "extractionState": "manual",
+      "localizations": {
+        "en": {
+          "stringUnit": {
+            "state": "translated",
+            "value": "This will close \"%@\"."
+          }
+        },
+        "ja": {
+          "stringUnit": {
+            "state": "translated",
+            "value": "「%@」を閉じます。"
+          }
+        }
+      }
+    },
     "dialog.closeTab.title": {
       "extractionState": "manual",
       "localizations": {
diff --git a/Sources/Workspace.swift b/Sources/Workspace.swift
index 2ce458de..3734b412 100644
--- a/Sources/Workspace.swift
+++ b/Sources/Workspace.swift
@@ -9230,8 +9230,28 @@ extension Workspace: BonsplitDelegate {
     @MainActor
     private func confirmClosePanel(for tabId: TabID) async -> Bool {
         let alert = NSAlert()
+
         alert.messageText = String(localized: "dialog.closeTab.title", defaultValue: "Close tab?")
-        alert.informativeText = String(localized: "dialog.closeTab.message", defaultValue: "This will close the current tab.")
+
+        let panelName: String? = {
+            guard let panelId = panelIdFromSurfaceId(tabId) else { return nil }
+            if let custom = panelCustomTitles[panelId], !custom.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
+                return custom
+            }
+            if let title = panelTitles[panelId], !title.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
+                return title
+            }
+            if let dir = panelDirectories[panelId], !dir.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
+                return (dir as NSString).lastPathComponent
+            }
+            return nil
+        }()
+
+        if let panelName {
+            alert.informativeText = String(localized: "dialog.closeTab.messageNamed", defaultValue: "This will close \"\(panelName)\".")
+        } else {
+            alert.informativeText = String(localized: "dialog.closeTab.message", defaultValue: "This will close the current tab.")
+        }
         alert.alertStyle = .warning
         alert.addButton(withTitle: String(localized: "dialog.closeTab.close", defaultValue: "Close"))
         alert.addButton(withTitle: String(localized: "dialog.closeTab.cancel", defaultValue: "Cancel"))