diff --git a/indra/newview/Info-Firestorm.plist b/indra/newview/Info-Firestorm.plist
index 8ced1e8040..a07236acfe 100644
--- a/indra/newview/Info-Firestorm.plist
+++ b/indra/newview/Info-Firestorm.plist
@@ -30,6 +30,8 @@
 	<true/>
 	<key>LSRequiresCarbon</key>
 	<true/>
+	<key>NSAppSleepDisabled</key>
+	<true/>
 	<key>NSHumanReadableCopyright</key>
 	<string>${MACOSX_BUNDLE_COPYRIGHT}</string>
 	<key>CFBundleDocumentTypes</key>