diff --git a/mac/Plumb.app/Contents/Info.plist b/mac/Plumb.app/Contents/Info.plist
index cff94bb8..5319ea10 100644
--- a/mac/Plumb.app/Contents/Info.plist
+++ b/mac/Plumb.app/Contents/Info.plist
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
 	<key>CFBundleDevelopmentRegion</key>
@@ -68,11 +68,12 @@
 			<key>CFBundleTypeName</key>
 			<string>Program Files</string>
 			<key>CFBundleTypeOSTypes</key>
-			<array>
-			</array>
+			<array/>
 			<key>CFBundleTypeRole</key>
 			<string>Viewer</string>
 		</dict>
 	</array>
+	<key>LSBackgroundOnly</key>
+	<true/>
 </dict>
 </plist>