diff --git a/neetdraw-master.nix b/neetdraw-master.nix
index 929b8b4..75e9a32 100644
--- a/neetdraw-master.nix
+++ b/neetdraw-master.nix
@@ -13,6 +13,7 @@ pkgs.stdenv.mkDerivation rec {
 
 	buildInputs = with pkgs; [
 		ncurses
+		libiconv
 		libev
 
 		# Termo demo-glib.c