diff --git a/roles/mongodb/templates/mongod.conf b/roles/mongodb/templates/mongod.conf
index 7d2aac70e..1b82f23b8 100644
--- a/roles/mongodb/templates/mongod.conf
+++ b/roles/mongodb/templates/mongod.conf
@@ -110,7 +110,7 @@ noprealloc = true
 #quotaFiles = 8
 
 # Use a smaller default file size (false by default)
-#smallfiles = true
+smallfiles = true
 
 # Seconds between disk syncs (0=never, but not recommended) (60 by default)
 #syncdelay = 60