diff --git a/osx/Info.plist b/osx/Info.plist
index 6fdc63c..6f4e96b 100755
--- a/osx/Info.plist
+++ b/osx/Info.plist
@@ -134,6 +134,8 @@
 	<false/>
 	<key>NSAppleScriptEnabled</key>
 	<false/>
+	<key>NSAppleEventsUsageDescription</key>
+	<string>OpenLP needs to control System Events to be able control Keynote and PowerPoint</string>
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>NSHighResolutionCapable</key>