diff --git a/templates/gerrit.config.erb b/templates/gerrit.config.erb
index f645190..bea92b3 100644
--- a/templates/gerrit.config.erb
+++ b/templates/gerrit.config.erb
@@ -171,6 +171,8 @@
         safe = true
 [mimetype "text/x-ini"]
         safe = true
+[mimetype "text/x-properties"]
+        safe = true
 [mimetype "text/x-markdown"]
         safe = true
 [mimetype "text/css"]