diff --git a/settings.coffee b/settings.coffee
index 9b7fe58c40d1fcda96c0e5187ff7c5770cab1f36..01614eae00fc516cc4f5ee9d714fa9a5bf30e264 100644
--- a/settings.coffee
+++ b/settings.coffee
@@ -22,6 +22,9 @@ TMP_DIR = '/var/lib/sharelatex/tmp'
 
 settings =
 
+	allowAnonymousReadAndWriteSharing:
+		process.env['SHARELATEX_ALLOW_ANONYMOUS_READ_AND_WRITE_SHARING'] == 'true'
+
 	# Databases
 	# ---------