diff --git a/fiv-master.nix b/fiv-master.nix
index a98cd8c..37ab682 100644
--- a/fiv-master.nix
+++ b/fiv-master.nix
@@ -1,6 +1,7 @@
 { pkgs ? import <nixpkgs> { }
 , local ? false
 , full ? true
+, withResvg ? false
 }:
 pkgs.stdenv.mkDerivation rec {
 	pname = "fiv";
@@ -27,9 +28,10 @@ pkgs.stdenv.mkDerivation rec {
 		libepoxy
 	] ++ lib.optionals full [
 		lcms2
-		#resvg
 		librsvg
 		libheif
+	] ++ lib.optionals withResvg [
+		resvg
 	];
 
 	src = if local then
@@ -59,7 +61,6 @@ pkgs.stdenv.mkDerivation rec {
 		"-Dlcms2fastfloat=disabled"
 
 		"-Dtools=enabled"
-		#"-Dresvg=enabled"
 	] ++ pkgs.lib.optionals (!full) [
 		"-Dlcms2=disabled"
 		"-Dlibraw=disabled"
@@ -69,6 +70,8 @@ pkgs.stdenv.mkDerivation rec {
 		"-Dlibheif=disabled"
 		"-Dlibtiff=disabled"
 		"-Dgdk-pixbuf=disabled"
+	] ++ pkgs.lib.optionals withResvg [
+		"-Dresvg=enabled"
 	];
 
 	preFixup = ''
diff --git a/sdn-master.nix b/sdn-master.nix
index 90300fd..7b43c55 100644
--- a/sdn-master.nix
+++ b/sdn-master.nix
@@ -13,6 +13,7 @@ pkgs.stdenv.mkDerivation rec {
 
 	buildInputs = with pkgs; [
 		ncurses
+	] ++ lib.optionals stdenv.isLinux [
 		acl
 	];
 
@@ -31,7 +32,7 @@ pkgs.stdenv.mkDerivation rec {
 	meta = with pkgs.lib; {
 		description = "Directory navigator";
 		homepage = "https://git.janouch.name/p/${pname}";
-		# libacl, __STDC_ISO_10646__
+		# libacl, __STDC_ISO_10646__, crash bug in libc++
 		platforms = platforms.linux;
 		license = licenses.bsd0;
 	};