diff --git a/.osx b/.osx
index cf4ea6d..6f08e78 100755
--- a/.osx
+++ b/.osx
@@ -425,6 +425,9 @@ defaults write com.apple.Safari com.apple.Safari.ContentPageGroupIdentifier.WebK
 # Hide Safari’s bookmarks bar by default
 defaults write com.apple.Safari ShowFavoritesBar -bool false
 
+# Hide Safari’s sidebar in Top Sites
+defaults write com.apple.Safari ShowSidebarInTopSites -bool false
+
 # Disable Safari’s thumbnail cache for History and Top Sites
 defaults write com.apple.Safari DebugSnapshotsUpdatePolicy -int 2