diff --git a/OSBindings/Mac/Clock Signal/AppDelegate.swift b/OSBindings/Mac/Clock Signal/AppDelegate.swift
index c8e4b750b..a29848aa2 100644
--- a/OSBindings/Mac/Clock Signal/AppDelegate.swift	
+++ b/OSBindings/Mac/Clock Signal/AppDelegate.swift	
@@ -13,6 +13,10 @@ class AppDelegate: NSObject, NSApplicationDelegate {
 
 	func applicationDidFinishLaunching(_ aNotification: Notification) {
 		// Insert code here to initialize your application.
+
+		if NSDocumentController.shared.documents.count == 0 {
+			NSDocumentController.shared.openDocument(self)
+		}
 	}
 
 	func applicationWillTerminate(_ aNotification: Notification) {
@@ -20,13 +24,13 @@ class AppDelegate: NSObject, NSApplicationDelegate {
 	}
 
 	func applicationShouldOpenUntitledFile(_ sender: NSApplication) -> Bool {
-		// Decline to show the 'New...' selector by default, preferring to offer
-		// an 'Open...' dialogue.
+		// Decline to show the 'New...' selector by default; the 'Open...'
+		// dialogue has already been shown if this application was started
+		// without a file.
 		//
 		// Obiter: I dislike it when other applications do this for me, but it
 		// seems to be the new norm, and I've had user feedback that showing
 		// nothing is confusing. So here it is.
-		NSDocumentController.shared.openDocument(self)
 		return false
 	}
 }