diff --git a/.env.template b/.env.template
index fa1e5dd7..031e3894 100644
--- a/.env.template
+++ b/.env.template
@@ -43,6 +43,7 @@
 # ICON_CACHE_FOLDER=data/icon_cache
 # ATTACHMENTS_FOLDER=data/attachments
 # SENDS_FOLDER=data/sends
+# TMP_FOLDER=data/tmp
 
 ## Templates data folder, by default uses embedded templates
 ## Check source code to see the format