diff --git a/Resources/Info.plist b/Resources/Info.plist
index 374713f..7e5e78c 100644
--- a/Resources/Info.plist
+++ b/Resources/Info.plist
@@ -51,7 +51,7 @@
 			<key>NSExportableTypes</key>
 			<array>
 				<string>com.adobe.pdf</string>
-				<string>public.midi</string>
+				<string>public.midi-audio</string>
 				<string>VLMusicXMLType</string>
 				<string>org.lilypond.lilypond-source</string>
 				<string>VLMMAType</string>
@@ -136,7 +136,7 @@
 			<string>None</string>
 			<key>LSItemContentTypes</key>
 			<array>
-				<string>public.midi</string>
+				<string>public.midi-audio</string>
 			</array>
 			<key>LSTypeIsPackage</key>
 			<false/>
@@ -234,16 +234,12 @@
 	<string>APPL</string>
 	<key>CFBundleSignature</key>
 	<string>VçEz</string>
-	<key>CFBundleURLTypes</key>
-	<array/>
 	<key>CFBundleVersion</key>
 	<string>1.5a1</string>
 	<key>NSMainNibFile</key>
 	<string>MainMenu</string>
 	<key>NSPrincipalClass</key>
 	<string>NSApplication</string>
-	<key>NSServices</key>
-	<array/>
 	<key>UTExportedTypeDeclarations</key>
 	<array>
 		<dict>
diff --git a/Sources/VLDocument.h b/Sources/VLDocument.h
index ba4f008..7383db8 100644
--- a/Sources/VLDocument.h
+++ b/Sources/VLDocument.h
@@ -5,7 +5,7 @@
 //
 //      (MN)    Matthias Neeracher
 //
-// Copyright © 2005-2011 Matthias Neeracher
+// Copyright © 2005-2012 Matthias Neeracher
 //
 
 #import "VLModel.h"
@@ -20,7 +20,7 @@
 #define VLLilypondType  @"org.lilypond.lilypond-source"
 #define VLMusicXMLType  @"VLMusicXMLType"
 #define VLMMAType       @"VLMMAType"
-#define VLMIDIType      @"public.midi"
+#define VLMIDIType      @"public.midi-audio"
 #define VLPDFType       @"com.adobe.pdf"
 #define VLAIFFType      @"public.aifc-audio"
 #define VLMP3Type       @"public.mp3"
diff --git a/VocalEasel.xcodeproj/project.pbxproj b/VocalEasel.xcodeproj/project.pbxproj
index e7d632f..82c0fdc 100644
--- a/VocalEasel.xcodeproj/project.pbxproj
+++ b/VocalEasel.xcodeproj/project.pbxproj
@@ -982,7 +982,7 @@
 		2A37F4A9FDCFA73011CA2CEA /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0410;
+				LastUpgradeCheck = 0440;
 			};
 			buildConfigurationList = 95D7BF740AA699C600D5E02C /* Build configuration list for PBXProject "VocalEasel" */;
 			compatibilityVersion = "Xcode 3.2";
@@ -1655,7 +1655,7 @@
 				INSTALL_PATH = "$(HOME)/Applications";
 				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				PRODUCT_NAME = VocalEasel;
-				SDKROOT = macosx10.7;
+				SDKROOT = "";
 				WRAPPER_EXTENSION = app;
 				ZERO_LINK = YES;
 			};
@@ -1676,7 +1676,7 @@
 				INSTALL_PATH = "$(HOME)/Applications";
 				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				PRODUCT_NAME = VocalEasel;
-				SDKROOT = macosx10.7;
+				SDKROOT = "";
 				WRAPPER_EXTENSION = app;
 				ZERO_LINK = NO;
 			};
@@ -1696,7 +1696,7 @@
 				INSTALL_PATH = "$(HOME)/Applications";
 				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				PRODUCT_NAME = VocalEasel;
-				SDKROOT = macosx10.7;
+				SDKROOT = "";
 				WRAPPER_EXTENSION = app;
 			};
 			name = Default;