diff --git a/OSBindings/Mac/Clock Signal/Document Controller/DocumentController.swift b/OSBindings/Mac/Clock Signal/Document Controller/DocumentController.swift
index b5f7c10dc..847db82ad 100644
--- a/OSBindings/Mac/Clock Signal/Document Controller/DocumentController.swift	
+++ b/OSBindings/Mac/Clock Signal/Document Controller/DocumentController.swift	
@@ -14,6 +14,7 @@ class DocumentController: NSDocumentController {
 			if let documentClass = analyser.documentClass as? NSDocument.Type {
 				let document = documentClass.init()
 				if let machineDocument = document as? MachineDocument {
+					machineDocument.setDisplayName(analyser.displayName)
 					machineDocument.configureAs(analyser)
 					return machineDocument
 				}
diff --git a/OSBindings/Mac/Clock Signal/Info.plist b/OSBindings/Mac/Clock Signal/Info.plist
index ec505d1aa..cd2e9b763 100644
--- a/OSBindings/Mac/Clock Signal/Info.plist	
+++ b/OSBindings/Mac/Clock Signal/Info.plist	
@@ -35,7 +35,7 @@
 			<key>CFBundleTypeName</key>
 			<string>Electron/BBC Tape Image</string>
 			<key>CFBundleTypeRole</key>
-			<string>Editor</string>
+			<string>Viewer</string>
 			<key>LSItemContentTypes</key>
 			<array/>
 			<key>LSTypeIsPackage</key>
diff --git a/OSBindings/Mac/Clock Signal/Machine/StaticAnalyser/CSStaticAnalyser.h b/OSBindings/Mac/Clock Signal/Machine/StaticAnalyser/CSStaticAnalyser.h
index b57aeb86c..c0ef69354 100644
--- a/OSBindings/Mac/Clock Signal/Machine/StaticAnalyser/CSStaticAnalyser.h	
+++ b/OSBindings/Mac/Clock Signal/Machine/StaticAnalyser/CSStaticAnalyser.h	
@@ -15,6 +15,7 @@
 - (instancetype)initWithFileAtURL:(NSURL *)url;
 
 @property(nonatomic, readonly) Class documentClass;
+@property(nonatomic, readonly) NSString *displayName;
 - (void)applyToMachine:(CSMachine *)machine;
 
 @end
diff --git a/OSBindings/Mac/Clock Signal/Machine/StaticAnalyser/CSStaticAnalyser.mm b/OSBindings/Mac/Clock Signal/Machine/StaticAnalyser/CSStaticAnalyser.mm
index 241ec1cdb..29f985e3e 100644
--- a/OSBindings/Mac/Clock Signal/Machine/StaticAnalyser/CSStaticAnalyser.mm	
+++ b/OSBindings/Mac/Clock Signal/Machine/StaticAnalyser/CSStaticAnalyser.mm	
@@ -27,6 +27,9 @@
 		std::list<StaticAnalyser::Target> targets = StaticAnalyser::GetTargets([url fileSystemRepresentation]);
 		if(!targets.size()) return nil;
 		_target = targets.front();
+
+		// TODO: can this better be supplied by the analyser?
+		_displayName = [[url pathComponents] lastObject];
 	}
 	return self;
 }