diff --git a/ecs/vars.config b/ecs/vars.config
index 1be9fa1..8d5be12 100644
--- a/ecs/vars.config
+++ b/ecs/vars.config
@@ -3,3 +3,4 @@
 {sqlite, true}.
 {zlib, true}.
 {elixir, true}.
+{iconv, true}.