diff --git a/stepmania/PBProject/Info-StepMania.plist b/stepmania/PBProject/Info-StepMania.plist
index 7809a87590..a3fa1b1f62 100644
--- a/stepmania/PBProject/Info-StepMania.plist
+++ b/stepmania/PBProject/Info-StepMania.plist
@@ -4,6 +4,29 @@
 <dict>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>English</string>
+	<key>CFBundleDocumentTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleTypeExtensions</key>
+			<array>
+				<string>smzip</string>
+			</array>
+			<key>CFBundleTypeIconFile</key>
+			<string>smicon.icns</string>
+			<key>CFBundleTypeMIMETypes</key>
+			<array>
+				<string>application/zip</string>
+			</array>
+			<key>CFBundleTypeName</key>
+			<string>SMZip</string>
+			<key>CFBundleTypeRole</key>
+			<string>Editor</string>
+			<key>LSTypeIsPackage</key>
+			<false/>
+			<key>NSPersistentStoreTypeKey</key>
+			<string>Binary</string>
+		</dict>
+	</array>
 	<key>CFBundleExecutable</key>
 	<string>EXECUTABLE_NAME</string>
 	<key>CFBundleGetInfoString</key>