diff --git a/backend/dll.conf b/backend/dll.conf
index 0c52edd21..15fda7305 100644
--- a/backend/dll.conf
+++ b/backend/dll.conf
@@ -33,6 +33,7 @@ sharp
 sm3600
 snapscan
 sp15c
+#st400
 tamarack
 umax
 #umax_pp