diff --git a/OSBindings/Mac/Clock Signal/Documents/Vic20Document.swift b/OSBindings/Mac/Clock Signal/Documents/Vic20Document.swift
index 08b9b6bc0..0741a6ed3 100644
--- a/OSBindings/Mac/Clock Signal/Documents/Vic20Document.swift	
+++ b/OSBindings/Mac/Clock Signal/Documents/Vic20Document.swift	
@@ -21,4 +21,16 @@ class Vic20Document: MachineDocument {
 		self.intendedCyclesPerSecond = 1022727
 		// TODO: or 1108405 for PAL; see http://www.antimon.org/dl/c64/code/stable.txt
 	}
+
+	override class func autosavesInPlace() -> Bool {
+		return true
+	}
+
+	override var windowNibName: String? {
+		return "Vic20Document"
+	}
+
+	override func readFromData(data: NSData, ofType typeName: String) throws {
+		print("\(data.length)")
+	}
 }
diff --git a/OSBindings/Mac/Clock Signal/Info.plist b/OSBindings/Mac/Clock Signal/Info.plist
index 3fbd5f02d..212e82a8e 100644
--- a/OSBindings/Mac/Clock Signal/Info.plist	
+++ b/OSBindings/Mac/Clock Signal/Info.plist	
@@ -86,7 +86,7 @@
 			<key>LSTypeIsPackage</key>
 			<integer>0</integer>
 			<key>NSDocumentClass</key>
-			<string>Vic20Document</string>
+			<string>$(PRODUCT_MODULE_NAME).Vic20Document</string>
 		</dict>
 	</array>
 	<key>CFBundleExecutable</key>
diff --git a/OSBindings/Mac/Clock Signal/Wrappers/CSMachine.mm b/OSBindings/Mac/Clock Signal/Wrappers/CSMachine.mm
index eefdec3fd..3f5cedbef 100644
--- a/OSBindings/Mac/Clock Signal/Wrappers/CSMachine.mm	
+++ b/OSBindings/Mac/Clock Signal/Wrappers/CSMachine.mm	
@@ -88,5 +88,4 @@ struct SpeakerDelegate: public Outputs::Speaker::Delegate {
 	self.machine->get_crt()->draw_frame((unsigned int)pixelSize.width, (unsigned int)pixelSize.height, onlyIfDirty ? true : false);
 }
 
-
 @end