diff --git a/NetNewsWire.xcodeproj/project.pbxproj b/NetNewsWire.xcodeproj/project.pbxproj
index 9a3595909..4e8bee760 100644
--- a/NetNewsWire.xcodeproj/project.pbxproj
+++ b/NetNewsWire.xcodeproj/project.pbxproj
@@ -7,6 +7,7 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		519B8D332143397200FA689C /* SharingServiceDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 519B8D322143397200FA689C /* SharingServiceDelegate.swift */; };
 		6581C73820CED60100F4AD34 /* SafariExtensionHandler.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6581C73720CED60100F4AD34 /* SafariExtensionHandler.swift */; };
 		6581C73A20CED60100F4AD34 /* SafariExtensionViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6581C73920CED60100F4AD34 /* SafariExtensionViewController.swift */; };
 		6581C73D20CED60100F4AD34 /* SafariExtensionViewController.xib in Resources */ = {isa = PBXBuildFile; fileRef = 6581C73B20CED60100F4AD34 /* SafariExtensionViewController.xib */; };
@@ -478,6 +479,7 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
+		519B8D322143397200FA689C /* SharingServiceDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SharingServiceDelegate.swift; sourceTree = "<group>"; };
 		6581C73320CED60000F4AD34 /* Subscribe to Feed.appex */ = {isa = PBXFileReference; explicitFileType = "wrapper.app-extension"; includeInIndex = 0; path = "Subscribe to Feed.appex"; sourceTree = BUILT_PRODUCTS_DIR; };
 		6581C73420CED60100F4AD34 /* Cocoa.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Cocoa.framework; path = System/Library/Frameworks/Cocoa.framework; sourceTree = SDKROOT; };
 		6581C73720CED60100F4AD34 /* SafariExtensionHandler.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SafariExtensionHandler.swift; sourceTree = "<group>"; };
@@ -828,6 +830,7 @@
 				842E45E21ED8C681000A8B52 /* KeyboardDelegateProtocol.swift */,
 				849A975D1ED9EB72007D329B /* MainWindowController.swift */,
 				849EE71E20391DF20082A1EA /* MainWindowToolbarDelegate.swift */,
+				519B8D322143397200FA689C /* SharingServiceDelegate.swift */,
 				849EE72020391F560082A1EA /* SharingServicePickerDelegate.swift */,
 				842E45E41ED8C6B7000A8B52 /* MainWindowSplitView.swift */,
 				844B5B6B1FEA224B00C7C76A /* Keyboard */,
@@ -1949,6 +1952,7 @@
 				84A1500520048DDF0046AD9A /* SendToMarsEditCommand.swift in Sources */,
 				D5907DB22004BB37005947E5 /* ScriptingObjectContainer.swift in Sources */,
 				849A978A1ED9ECEF007D329B /* ArticleStylesManager.swift in Sources */,
+				519B8D332143397200FA689C /* SharingServiceDelegate.swift in Sources */,
 				84E8E0DB202EC49300562D8F /* TimelineViewController+ContextualMenus.swift in Sources */,
 				849A97791ED9EC04007D329B /* TimelineStringUtilities.swift in Sources */,
 				84E185C3203BB12600F69BFA /* MultilineTextFieldSizer.swift in Sources */,
diff --git a/NetNewsWire/MainWindow/MainWindowController.swift b/NetNewsWire/MainWindow/MainWindowController.swift
index ce535fa26..15f065fac 100644
--- a/NetNewsWire/MainWindow/MainWindowController.swift
+++ b/NetNewsWire/MainWindow/MainWindowController.swift
@@ -14,7 +14,7 @@ import RSCore
 class MainWindowController : NSWindowController, NSUserInterfaceValidations {
 
 	@IBOutlet var toolbarDelegate: MainWindowToolbarDelegate?
-	private let sharingServicePickerDelegate = SharingServicePickerDelegate()
+	private var sharingServicePickerDelegate: NSSharingServicePickerDelegate?
 
 	private let windowAutosaveName = NSWindow.FrameAutosaveName(rawValue: "MainWindow")
 	static var didPositionWindowOnFirstRun = false
@@ -39,6 +39,8 @@ class MainWindowController : NSWindowController, NSUserInterfaceValidations {
 
 		super.windowDidLoad()
 
+		sharingServicePickerDelegate = SharingServicePickerDelegate(self.window)
+		
 		if !AppDefaults.shared.showTitleOnMainWindow {
 			window?.titleVisibility = .hidden
 		}
diff --git a/NetNewsWire/MainWindow/SharingServiceDelegate.swift b/NetNewsWire/MainWindow/SharingServiceDelegate.swift
new file mode 100644
index 000000000..1b7ae9e7c
--- /dev/null
+++ b/NetNewsWire/MainWindow/SharingServiceDelegate.swift
@@ -0,0 +1,42 @@
+//
+//  SharingServiceDelegate.swift
+//  NetNewsWire
+//
+//  Created by Maurice Parker on 9/7/18.
+//  Copyright © 2018 Ranchero Software. All rights reserved.
+//
+
+import AppKit
+
+@objc final class SharingServiceDelegate: NSObject, NSSharingServiceDelegate {
+
+	weak var window: NSWindow?
+	
+	init(_ window: NSWindow?) {
+		self.window = window
+	}
+	
+	func sharingService(_ sharingService: NSSharingService, willShareItems items: [Any]) {
+		
+		var subject = ""
+		
+		for (index, item) in items.enumerated() {
+			
+			guard let writer = item as? ArticlePasteboardWriter,
+				let title = writer.article.title else {
+				continue
+			}
+			
+			subject += index != 0 ? ", \(title)" : title
+			
+		}
+
+		sharingService.subject = subject
+		
+	}
+	
+	func sharingService(_ sharingService: NSSharingService, sourceWindowForShareItems items: [Any], sharingContentScope: UnsafeMutablePointer<NSSharingService.SharingContentScope>) -> NSWindow? {
+		return window
+	}
+	
+}
diff --git a/NetNewsWire/MainWindow/SharingServicePickerDelegate.swift b/NetNewsWire/MainWindow/SharingServicePickerDelegate.swift
index f18bc5175..f60dad62c 100644
--- a/NetNewsWire/MainWindow/SharingServicePickerDelegate.swift
+++ b/NetNewsWire/MainWindow/SharingServicePickerDelegate.swift
@@ -9,10 +9,21 @@
 import AppKit
 
 @objc final class SharingServicePickerDelegate: NSObject, NSSharingServicePickerDelegate {
-
+	
+	private let sharingServiceDelegate: SharingServiceDelegate
+	
+	init(_ window: NSWindow?) {
+		sharingServiceDelegate = SharingServiceDelegate(window)
+	}
+	
 	func sharingServicePicker(_ sharingServicePicker: NSSharingServicePicker, sharingServicesForItems items: [Any], proposedSharingServices proposedServices: [NSSharingService]) -> [NSSharingService] {
 
 		return proposedServices + SharingServicePickerDelegate.customSharingServices(for: items)
+		
+	}
+
+	func sharingServicePicker(_ sharingServicePicker: NSSharingServicePicker, delegateFor sharingService: NSSharingService) -> NSSharingServiceDelegate? {
+		return sharingServiceDelegate
 	}
 
 	static func customSharingServices(for items: [Any]) -> [NSSharingService] {